From: Arnd Bergmann <arnd@kernel.org> To: linux-omap@vger.kernel.org, tony@atomide.com, aaro.koskinen@iki.fi, jmkrzyszt@gmail.com Cc: Ulf Hansson <ulf.hansson@linaro.org>, Dmitry Torokhov <dmitry.torokhov@gmail.com>, linux-fbdev@vger.kernel.org, Dominik Brodowski <linux@dominikbrodowski.net>, Lee Jones <lee.jones@linaro.org>, Daniel Thompson <daniel.thompson@linaro.org>, Kevin Hilman <khilman@kernel.org>, Peter Ujfalusi <peter.ujfalusi@gmail.com>, Helge Deller <deller@gmx.de>, Russell King <linux@armlinux.org.uk>, Krzysztof Kozlowski <krzk@kernel.org>, Alan Stern <stern@rowland.harvard.edu>, linux-serial@vger.kernel.org, linux-input@vger.kernel.org, Arnd Bergmann <arnd@arndb.de>, Mark Brown <broonie@kernel.org>, dri-devel@lists.freedesktop.org, linux-arm-kernel@lists.infradead.org, Felipe Balbi <balbi@kernel.org>, Paul Walmsley <paul@pwsan.com>, Jingoo Han <jingoohan1@gmail.com>, linux-usb@vger.kernel.org, linux-mmc@vger.kernel.org, linux-kernel@vger.kernel.org, Vinod Koul <vkoul@kernel.org>, dmaengine@vger.kernel.org, alsa-devel@alsa-project.org Subject: [PATCH 19/41] ARM: omap: dma: make usb support optional Date: Tue, 19 Apr 2022 15:37:01 +0200 [thread overview] Message-ID: <20220419133723.1394715-20-arnd@kernel.org> (raw) In-Reply-To: <20220419133723.1394715-1-arnd@kernel.org> From: Arnd Bergmann <arnd@arndb.de> Most of the plat-omap/dma.c code is specific to the USB driver. Hide that code when it is not in use, to make it clearer which parts are actually still required. Signed-off-by: Arnd Bergmann <arnd@arndb.de> --- arch/arm/plat-omap/dma.c | 45 +++++++++++++++++----------------- drivers/usb/gadget/udc/Kconfig | 2 +- include/linux/omap-dma.h | 5 +++- 3 files changed, 27 insertions(+), 25 deletions(-) diff --git a/arch/arm/plat-omap/dma.c b/arch/arm/plat-omap/dma.c index 700ba9b600e7..b7757864d0aa 100644 --- a/arch/arm/plat-omap/dma.c +++ b/arch/arm/plat-omap/dma.c @@ -66,7 +66,6 @@ enum { DMA_CHAIN_STARTED, DMA_CHAIN_NOTSTARTED }; static struct omap_system_dma_plat_info *p; static struct omap_dma_dev_attr *d; -static void omap_clear_dma(int lch); static int enable_1510_mode; static u32 errata; @@ -90,19 +89,16 @@ static int omap_dma_reserve_channels; static DEFINE_SPINLOCK(dma_chan_lock); static struct omap_dma_lch *dma_chan; -static inline void disable_lnk(int lch); -static void omap_disable_channel_irq(int lch); -static inline void omap_enable_channel_irq(int lch); - -#ifdef CONFIG_ARCH_OMAP15XX -/* Returns 1 if the DMA module is in OMAP1510-compatible mode, 0 otherwise */ -static int omap_dma_in_1510_mode(void) +static inline void omap_disable_channel_irq(int lch) { - return enable_1510_mode; + /* disable channel interrupts */ + p->dma_write(0, CICR, lch); + /* Clear CSR */ + if (dma_omap1()) + p->dma_read(CSR, lch); + else + p->dma_write(OMAP2_DMA_CSR_CLEAR_MASK, CSR, lch); } -#else -#define omap_dma_in_1510_mode() 0 -#endif #ifdef CONFIG_ARCH_OMAP1 static inline void set_gdma_dev(int req, int dev) @@ -169,6 +165,17 @@ void omap_set_dma_priority(int lch, int dst_port, int priority) #endif EXPORT_SYMBOL(omap_set_dma_priority); +#if IS_ENABLED(CONFIG_USB_OMAP) +#ifdef CONFIG_ARCH_OMAP15XX +/* Returns 1 if the DMA module is in OMAP1510-compatible mode, 0 otherwise */ +static int omap_dma_in_1510_mode(void) +{ + return enable_1510_mode; +} +#else +#define omap_dma_in_1510_mode() 0 +#endif + void omap_set_dma_transfer_params(int lch, int data_type, int elem_count, int frame_count, int sync_mode, int dma_trigger, int src_or_dst_synch) @@ -418,17 +425,6 @@ static inline void omap_enable_channel_irq(int lch) p->dma_write(dma_chan[lch].enabled_irqs, CICR, lch); } -static inline void omap_disable_channel_irq(int lch) -{ - /* disable channel interrupts */ - p->dma_write(0, CICR, lch); - /* Clear CSR */ - if (dma_omap1()) - p->dma_read(CSR, lch); - else - p->dma_write(OMAP2_DMA_CSR_CLEAR_MASK, CSR, lch); -} - void omap_disable_dma_irq(int lch, u16 bits) { dma_chan[lch].enabled_irqs &= ~bits; @@ -473,6 +469,7 @@ static inline void disable_lnk(int lch) p->dma_write(l, CLNK_CTRL, lch); dma_chan[lch].flags &= ~OMAP_DMA_ACTIVE; } +#endif int omap_request_dma(int dev_id, const char *dev_name, void (*callback)(int lch, u16 ch_status, void *data), @@ -572,6 +569,7 @@ static void omap_clear_dma(int lch) local_irq_restore(flags); } +#if IS_ENABLED(CONFIG_USB_OMAP) void omap_start_dma(int lch) { u32 l; @@ -792,6 +790,7 @@ int omap_get_dma_active_status(int lch) return (p->dma_read(CCR, lch) & OMAP_DMA_CCR_EN) != 0; } EXPORT_SYMBOL(omap_get_dma_active_status); +#endif int omap_dma_running(void) { diff --git a/drivers/usb/gadget/udc/Kconfig b/drivers/usb/gadget/udc/Kconfig index cee934dce4f0..69394dc1cdfb 100644 --- a/drivers/usb/gadget/udc/Kconfig +++ b/drivers/usb/gadget/udc/Kconfig @@ -128,7 +128,7 @@ config USB_GR_UDC config USB_OMAP tristate "OMAP USB Device Controller" - depends on ARCH_OMAP1 || (ARCH_OMAP && COMPILE_TEST) + depends on ARCH_OMAP1 depends on ISP1301_OMAP || !(MACH_OMAP_H2 || MACH_OMAP_H3) help Many Texas Instruments OMAP processors have flexible full diff --git a/include/linux/omap-dma.h b/include/linux/omap-dma.h index 5e228428fda1..07fa58ae9902 100644 --- a/include/linux/omap-dma.h +++ b/include/linux/omap-dma.h @@ -299,8 +299,9 @@ extern void omap_set_dma_priority(int lch, int dst_port, int priority); extern int omap_request_dma(int dev_id, const char *dev_name, void (*callback)(int lch, u16 ch_status, void *data), void *data, int *dma_ch); -extern void omap_disable_dma_irq(int ch, u16 irq_bits); extern void omap_free_dma(int ch); +#if IS_ENABLED(CONFIG_USB_OMAP) +extern void omap_disable_dma_irq(int ch, u16 irq_bits); extern void omap_start_dma(int lch); extern void omap_stop_dma(int lch); extern void omap_set_dma_transfer_params(int lch, int data_type, @@ -326,6 +327,8 @@ extern void omap_set_dma_dest_burst_mode(int lch, extern dma_addr_t omap_get_dma_src_pos(int lch); extern dma_addr_t omap_get_dma_dst_pos(int lch); extern int omap_get_dma_active_status(int lch); +#endif + extern int omap_dma_running(void); #if IS_ENABLED(CONFIG_FB_OMAP) -- 2.29.2
WARNING: multiple messages have this Message-ID
From: Arnd Bergmann <arnd@kernel.org> To: linux-omap@vger.kernel.org, tony@atomide.com, aaro.koskinen@iki.fi, jmkrzyszt@gmail.com Cc: Arnd Bergmann <arnd@arndb.de>, Russell King <linux@armlinux.org.uk>, Paul Walmsley <paul@pwsan.com>, Kevin Hilman <khilman@kernel.org>, Peter Ujfalusi <peter.ujfalusi@gmail.com>, Vinod Koul <vkoul@kernel.org>, Dmitry Torokhov <dmitry.torokhov@gmail.com>, Ulf Hansson <ulf.hansson@linaro.org>, Dominik Brodowski <linux@dominikbrodowski.net>, Mark Brown <broonie@kernel.org>, Felipe Balbi <balbi@kernel.org>, Alan Stern <stern@rowland.harvard.edu>, Lee Jones <lee.jones@linaro.org>, Daniel Thompson <daniel.thompson@linaro.org>, Jingoo Han <jingoohan1@gmail.com>, Helge Deller <deller@gmx.de>, Linus Walleij <linus.walleij@linaro.org>, Krzysztof Kozlowski <krzk@kernel.org>, linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org, linux-usb@vger.kernel.org, dmaengine@vger.kernel.org, linux-input@vger.kernel.org, linux-mmc@vger.kernel.org, linux-serial@vger.kernel.org, dri-devel@lists.freedesktop.org, linux-fbdev@vger.kernel.org, alsa-devel@alsa-project.org Subject: [PATCH 19/41] ARM: omap: dma: make usb support optional Date: Tue, 19 Apr 2022 15:37:01 +0200 [thread overview] Message-ID: <20220419133723.1394715-20-arnd@kernel.org> (raw) In-Reply-To: <20220419133723.1394715-1-arnd@kernel.org> From: Arnd Bergmann <arnd@arndb.de> Most of the plat-omap/dma.c code is specific to the USB driver. Hide that code when it is not in use, to make it clearer which parts are actually still required. Signed-off-by: Arnd Bergmann <arnd@arndb.de> --- arch/arm/plat-omap/dma.c | 45 +++++++++++++++++----------------- drivers/usb/gadget/udc/Kconfig | 2 +- include/linux/omap-dma.h | 5 +++- 3 files changed, 27 insertions(+), 25 deletions(-) diff --git a/arch/arm/plat-omap/dma.c b/arch/arm/plat-omap/dma.c index 700ba9b600e7..b7757864d0aa 100644 --- a/arch/arm/plat-omap/dma.c +++ b/arch/arm/plat-omap/dma.c @@ -66,7 +66,6 @@ enum { DMA_CHAIN_STARTED, DMA_CHAIN_NOTSTARTED }; static struct omap_system_dma_plat_info *p; static struct omap_dma_dev_attr *d; -static void omap_clear_dma(int lch); static int enable_1510_mode; static u32 errata; @@ -90,19 +89,16 @@ static int omap_dma_reserve_channels; static DEFINE_SPINLOCK(dma_chan_lock); static struct omap_dma_lch *dma_chan; -static inline void disable_lnk(int lch); -static void omap_disable_channel_irq(int lch); -static inline void omap_enable_channel_irq(int lch); - -#ifdef CONFIG_ARCH_OMAP15XX -/* Returns 1 if the DMA module is in OMAP1510-compatible mode, 0 otherwise */ -static int omap_dma_in_1510_mode(void) +static inline void omap_disable_channel_irq(int lch) { - return enable_1510_mode; + /* disable channel interrupts */ + p->dma_write(0, CICR, lch); + /* Clear CSR */ + if (dma_omap1()) + p->dma_read(CSR, lch); + else + p->dma_write(OMAP2_DMA_CSR_CLEAR_MASK, CSR, lch); } -#else -#define omap_dma_in_1510_mode() 0 -#endif #ifdef CONFIG_ARCH_OMAP1 static inline void set_gdma_dev(int req, int dev) @@ -169,6 +165,17 @@ void omap_set_dma_priority(int lch, int dst_port, int priority) #endif EXPORT_SYMBOL(omap_set_dma_priority); +#if IS_ENABLED(CONFIG_USB_OMAP) +#ifdef CONFIG_ARCH_OMAP15XX +/* Returns 1 if the DMA module is in OMAP1510-compatible mode, 0 otherwise */ +static int omap_dma_in_1510_mode(void) +{ + return enable_1510_mode; +} +#else +#define omap_dma_in_1510_mode() 0 +#endif + void omap_set_dma_transfer_params(int lch, int data_type, int elem_count, int frame_count, int sync_mode, int dma_trigger, int src_or_dst_synch) @@ -418,17 +425,6 @@ static inline void omap_enable_channel_irq(int lch) p->dma_write(dma_chan[lch].enabled_irqs, CICR, lch); } -static inline void omap_disable_channel_irq(int lch) -{ - /* disable channel interrupts */ - p->dma_write(0, CICR, lch); - /* Clear CSR */ - if (dma_omap1()) - p->dma_read(CSR, lch); - else - p->dma_write(OMAP2_DMA_CSR_CLEAR_MASK, CSR, lch); -} - void omap_disable_dma_irq(int lch, u16 bits) { dma_chan[lch].enabled_irqs &= ~bits; @@ -473,6 +469,7 @@ static inline void disable_lnk(int lch) p->dma_write(l, CLNK_CTRL, lch); dma_chan[lch].flags &= ~OMAP_DMA_ACTIVE; } +#endif int omap_request_dma(int dev_id, const char *dev_name, void (*callback)(int lch, u16 ch_status, void *data), @@ -572,6 +569,7 @@ static void omap_clear_dma(int lch) local_irq_restore(flags); } +#if IS_ENABLED(CONFIG_USB_OMAP) void omap_start_dma(int lch) { u32 l; @@ -792,6 +790,7 @@ int omap_get_dma_active_status(int lch) return (p->dma_read(CCR, lch) & OMAP_DMA_CCR_EN) != 0; } EXPORT_SYMBOL(omap_get_dma_active_status); +#endif int omap_dma_running(void) { diff --git a/drivers/usb/gadget/udc/Kconfig b/drivers/usb/gadget/udc/Kconfig index cee934dce4f0..69394dc1cdfb 100644 --- a/drivers/usb/gadget/udc/Kconfig +++ b/drivers/usb/gadget/udc/Kconfig @@ -128,7 +128,7 @@ config USB_GR_UDC config USB_OMAP tristate "OMAP USB Device Controller" - depends on ARCH_OMAP1 || (ARCH_OMAP && COMPILE_TEST) + depends on ARCH_OMAP1 depends on ISP1301_OMAP || !(MACH_OMAP_H2 || MACH_OMAP_H3) help Many Texas Instruments OMAP processors have flexible full diff --git a/include/linux/omap-dma.h b/include/linux/omap-dma.h index 5e228428fda1..07fa58ae9902 100644 --- a/include/linux/omap-dma.h +++ b/include/linux/omap-dma.h @@ -299,8 +299,9 @@ extern void omap_set_dma_priority(int lch, int dst_port, int priority); extern int omap_request_dma(int dev_id, const char *dev_name, void (*callback)(int lch, u16 ch_status, void *data), void *data, int *dma_ch); -extern void omap_disable_dma_irq(int ch, u16 irq_bits); extern void omap_free_dma(int ch); +#if IS_ENABLED(CONFIG_USB_OMAP) +extern void omap_disable_dma_irq(int ch, u16 irq_bits); extern void omap_start_dma(int lch); extern void omap_stop_dma(int lch); extern void omap_set_dma_transfer_params(int lch, int data_type, @@ -326,6 +327,8 @@ extern void omap_set_dma_dest_burst_mode(int lch, extern dma_addr_t omap_get_dma_src_pos(int lch); extern dma_addr_t omap_get_dma_dst_pos(int lch); extern int omap_get_dma_active_status(int lch); +#endif + extern int omap_dma_running(void); #if IS_ENABLED(CONFIG_FB_OMAP) -- 2.29.2
WARNING: multiple messages have this Message-ID
From: Arnd Bergmann <arnd@kernel.org> To: linux-omap@vger.kernel.org, tony@atomide.com, aaro.koskinen@iki.fi, jmkrzyszt@gmail.com Cc: Ulf Hansson <ulf.hansson@linaro.org>, Dmitry Torokhov <dmitry.torokhov@gmail.com>, Linus Walleij <linus.walleij@linaro.org>, linux-fbdev@vger.kernel.org, Dominik Brodowski <linux@dominikbrodowski.net>, Lee Jones <lee.jones@linaro.org>, Daniel Thompson <daniel.thompson@linaro.org>, Kevin Hilman <khilman@kernel.org>, Peter Ujfalusi <peter.ujfalusi@gmail.com>, Helge Deller <deller@gmx.de>, Russell King <linux@armlinux.org.uk>, Krzysztof Kozlowski <krzk@kernel.org>, Alan Stern <stern@rowland.harvard.edu>, linux-serial@vger.kernel.org, linux-input@vger.kernel.org, Arnd Bergmann <arnd@arndb.de>, Mark Brown <broonie@kernel.org>, dri-devel@lists.freedesktop.org, linux-arm-kernel@lists.infradead.org, Felipe Balbi <balbi@kernel.org>, Paul Walmsley <paul@pwsan.com>, Jingoo Han <jingoohan1@gmail.com>, linux-usb@vger.kernel.org, linux-mmc@vger.kernel.org, linux-kernel@vger.kernel.org, Vinod Koul <vkoul@kernel.org>, dmaengine@vger.kernel.org, alsa-devel@alsa-project.org Subject: [PATCH 19/41] ARM: omap: dma: make usb support optional Date: Tue, 19 Apr 2022 15:37:01 +0200 [thread overview] Message-ID: <20220419133723.1394715-20-arnd@kernel.org> (raw) In-Reply-To: <20220419133723.1394715-1-arnd@kernel.org> From: Arnd Bergmann <arnd@arndb.de> Most of the plat-omap/dma.c code is specific to the USB driver. Hide that code when it is not in use, to make it clearer which parts are actually still required. Signed-off-by: Arnd Bergmann <arnd@arndb.de> --- arch/arm/plat-omap/dma.c | 45 +++++++++++++++++----------------- drivers/usb/gadget/udc/Kconfig | 2 +- include/linux/omap-dma.h | 5 +++- 3 files changed, 27 insertions(+), 25 deletions(-) diff --git a/arch/arm/plat-omap/dma.c b/arch/arm/plat-omap/dma.c index 700ba9b600e7..b7757864d0aa 100644 --- a/arch/arm/plat-omap/dma.c +++ b/arch/arm/plat-omap/dma.c @@ -66,7 +66,6 @@ enum { DMA_CHAIN_STARTED, DMA_CHAIN_NOTSTARTED }; static struct omap_system_dma_plat_info *p; static struct omap_dma_dev_attr *d; -static void omap_clear_dma(int lch); static int enable_1510_mode; static u32 errata; @@ -90,19 +89,16 @@ static int omap_dma_reserve_channels; static DEFINE_SPINLOCK(dma_chan_lock); static struct omap_dma_lch *dma_chan; -static inline void disable_lnk(int lch); -static void omap_disable_channel_irq(int lch); -static inline void omap_enable_channel_irq(int lch); - -#ifdef CONFIG_ARCH_OMAP15XX -/* Returns 1 if the DMA module is in OMAP1510-compatible mode, 0 otherwise */ -static int omap_dma_in_1510_mode(void) +static inline void omap_disable_channel_irq(int lch) { - return enable_1510_mode; + /* disable channel interrupts */ + p->dma_write(0, CICR, lch); + /* Clear CSR */ + if (dma_omap1()) + p->dma_read(CSR, lch); + else + p->dma_write(OMAP2_DMA_CSR_CLEAR_MASK, CSR, lch); } -#else -#define omap_dma_in_1510_mode() 0 -#endif #ifdef CONFIG_ARCH_OMAP1 static inline void set_gdma_dev(int req, int dev) @@ -169,6 +165,17 @@ void omap_set_dma_priority(int lch, int dst_port, int priority) #endif EXPORT_SYMBOL(omap_set_dma_priority); +#if IS_ENABLED(CONFIG_USB_OMAP) +#ifdef CONFIG_ARCH_OMAP15XX +/* Returns 1 if the DMA module is in OMAP1510-compatible mode, 0 otherwise */ +static int omap_dma_in_1510_mode(void) +{ + return enable_1510_mode; +} +#else +#define omap_dma_in_1510_mode() 0 +#endif + void omap_set_dma_transfer_params(int lch, int data_type, int elem_count, int frame_count, int sync_mode, int dma_trigger, int src_or_dst_synch) @@ -418,17 +425,6 @@ static inline void omap_enable_channel_irq(int lch) p->dma_write(dma_chan[lch].enabled_irqs, CICR, lch); } -static inline void omap_disable_channel_irq(int lch) -{ - /* disable channel interrupts */ - p->dma_write(0, CICR, lch); - /* Clear CSR */ - if (dma_omap1()) - p->dma_read(CSR, lch); - else - p->dma_write(OMAP2_DMA_CSR_CLEAR_MASK, CSR, lch); -} - void omap_disable_dma_irq(int lch, u16 bits) { dma_chan[lch].enabled_irqs &= ~bits; @@ -473,6 +469,7 @@ static inline void disable_lnk(int lch) p->dma_write(l, CLNK_CTRL, lch); dma_chan[lch].flags &= ~OMAP_DMA_ACTIVE; } +#endif int omap_request_dma(int dev_id, const char *dev_name, void (*callback)(int lch, u16 ch_status, void *data), @@ -572,6 +569,7 @@ static void omap_clear_dma(int lch) local_irq_restore(flags); } +#if IS_ENABLED(CONFIG_USB_OMAP) void omap_start_dma(int lch) { u32 l; @@ -792,6 +790,7 @@ int omap_get_dma_active_status(int lch) return (p->dma_read(CCR, lch) & OMAP_DMA_CCR_EN) != 0; } EXPORT_SYMBOL(omap_get_dma_active_status); +#endif int omap_dma_running(void) { diff --git a/drivers/usb/gadget/udc/Kconfig b/drivers/usb/gadget/udc/Kconfig index cee934dce4f0..69394dc1cdfb 100644 --- a/drivers/usb/gadget/udc/Kconfig +++ b/drivers/usb/gadget/udc/Kconfig @@ -128,7 +128,7 @@ config USB_GR_UDC config USB_OMAP tristate "OMAP USB Device Controller" - depends on ARCH_OMAP1 || (ARCH_OMAP && COMPILE_TEST) + depends on ARCH_OMAP1 depends on ISP1301_OMAP || !(MACH_OMAP_H2 || MACH_OMAP_H3) help Many Texas Instruments OMAP processors have flexible full diff --git a/include/linux/omap-dma.h b/include/linux/omap-dma.h index 5e228428fda1..07fa58ae9902 100644 --- a/include/linux/omap-dma.h +++ b/include/linux/omap-dma.h @@ -299,8 +299,9 @@ extern void omap_set_dma_priority(int lch, int dst_port, int priority); extern int omap_request_dma(int dev_id, const char *dev_name, void (*callback)(int lch, u16 ch_status, void *data), void *data, int *dma_ch); -extern void omap_disable_dma_irq(int ch, u16 irq_bits); extern void omap_free_dma(int ch); +#if IS_ENABLED(CONFIG_USB_OMAP) +extern void omap_disable_dma_irq(int ch, u16 irq_bits); extern void omap_start_dma(int lch); extern void omap_stop_dma(int lch); extern void omap_set_dma_transfer_params(int lch, int data_type, @@ -326,6 +327,8 @@ extern void omap_set_dma_dest_burst_mode(int lch, extern dma_addr_t omap_get_dma_src_pos(int lch); extern dma_addr_t omap_get_dma_dst_pos(int lch); extern int omap_get_dma_active_status(int lch); +#endif + extern int omap_dma_running(void); #if IS_ENABLED(CONFIG_FB_OMAP) -- 2.29.2
WARNING: multiple messages have this Message-ID
From: Arnd Bergmann <arnd@kernel.org> To: linux-omap@vger.kernel.org, tony@atomide.com, aaro.koskinen@iki.fi, jmkrzyszt@gmail.com Cc: Arnd Bergmann <arnd@arndb.de>, Russell King <linux@armlinux.org.uk>, Paul Walmsley <paul@pwsan.com>, Kevin Hilman <khilman@kernel.org>, Peter Ujfalusi <peter.ujfalusi@gmail.com>, Vinod Koul <vkoul@kernel.org>, Dmitry Torokhov <dmitry.torokhov@gmail.com>, Ulf Hansson <ulf.hansson@linaro.org>, Dominik Brodowski <linux@dominikbrodowski.net>, Mark Brown <broonie@kernel.org>, Felipe Balbi <balbi@kernel.org>, Alan Stern <stern@rowland.harvard.edu>, Lee Jones <lee.jones@linaro.org>, Daniel Thompson <daniel.thompson@linaro.org>, Jingoo Han <jingoohan1@gmail.com>, Helge Deller <deller@gmx.de>, Linus Walleij <linus.walleij@linaro.org>, Krzysztof Kozlowski <krzk@kernel.org>, linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org, linux-usb@vger.kernel.org, dmaengine@vger.kernel.org, linux-input@vger.kernel.org, linux-mmc@vger.kernel.org, linux-serial@vger.kernel.org, dri-devel@lists.freedesktop.org, linux-fbdev@vger.kernel.org, alsa-devel@alsa-project.org Subject: [PATCH 19/41] ARM: omap: dma: make usb support optional Date: Tue, 19 Apr 2022 15:37:01 +0200 [thread overview] Message-ID: <20220419133723.1394715-20-arnd@kernel.org> (raw) In-Reply-To: <20220419133723.1394715-1-arnd@kernel.org> From: Arnd Bergmann <arnd@arndb.de> Most of the plat-omap/dma.c code is specific to the USB driver. Hide that code when it is not in use, to make it clearer which parts are actually still required. Signed-off-by: Arnd Bergmann <arnd@arndb.de> --- arch/arm/plat-omap/dma.c | 45 +++++++++++++++++----------------- drivers/usb/gadget/udc/Kconfig | 2 +- include/linux/omap-dma.h | 5 +++- 3 files changed, 27 insertions(+), 25 deletions(-) diff --git a/arch/arm/plat-omap/dma.c b/arch/arm/plat-omap/dma.c index 700ba9b600e7..b7757864d0aa 100644 --- a/arch/arm/plat-omap/dma.c +++ b/arch/arm/plat-omap/dma.c @@ -66,7 +66,6 @@ enum { DMA_CHAIN_STARTED, DMA_CHAIN_NOTSTARTED }; static struct omap_system_dma_plat_info *p; static struct omap_dma_dev_attr *d; -static void omap_clear_dma(int lch); static int enable_1510_mode; static u32 errata; @@ -90,19 +89,16 @@ static int omap_dma_reserve_channels; static DEFINE_SPINLOCK(dma_chan_lock); static struct omap_dma_lch *dma_chan; -static inline void disable_lnk(int lch); -static void omap_disable_channel_irq(int lch); -static inline void omap_enable_channel_irq(int lch); - -#ifdef CONFIG_ARCH_OMAP15XX -/* Returns 1 if the DMA module is in OMAP1510-compatible mode, 0 otherwise */ -static int omap_dma_in_1510_mode(void) +static inline void omap_disable_channel_irq(int lch) { - return enable_1510_mode; + /* disable channel interrupts */ + p->dma_write(0, CICR, lch); + /* Clear CSR */ + if (dma_omap1()) + p->dma_read(CSR, lch); + else + p->dma_write(OMAP2_DMA_CSR_CLEAR_MASK, CSR, lch); } -#else -#define omap_dma_in_1510_mode() 0 -#endif #ifdef CONFIG_ARCH_OMAP1 static inline void set_gdma_dev(int req, int dev) @@ -169,6 +165,17 @@ void omap_set_dma_priority(int lch, int dst_port, int priority) #endif EXPORT_SYMBOL(omap_set_dma_priority); +#if IS_ENABLED(CONFIG_USB_OMAP) +#ifdef CONFIG_ARCH_OMAP15XX +/* Returns 1 if the DMA module is in OMAP1510-compatible mode, 0 otherwise */ +static int omap_dma_in_1510_mode(void) +{ + return enable_1510_mode; +} +#else +#define omap_dma_in_1510_mode() 0 +#endif + void omap_set_dma_transfer_params(int lch, int data_type, int elem_count, int frame_count, int sync_mode, int dma_trigger, int src_or_dst_synch) @@ -418,17 +425,6 @@ static inline void omap_enable_channel_irq(int lch) p->dma_write(dma_chan[lch].enabled_irqs, CICR, lch); } -static inline void omap_disable_channel_irq(int lch) -{ - /* disable channel interrupts */ - p->dma_write(0, CICR, lch); - /* Clear CSR */ - if (dma_omap1()) - p->dma_read(CSR, lch); - else - p->dma_write(OMAP2_DMA_CSR_CLEAR_MASK, CSR, lch); -} - void omap_disable_dma_irq(int lch, u16 bits) { dma_chan[lch].enabled_irqs &= ~bits; @@ -473,6 +469,7 @@ static inline void disable_lnk(int lch) p->dma_write(l, CLNK_CTRL, lch); dma_chan[lch].flags &= ~OMAP_DMA_ACTIVE; } +#endif int omap_request_dma(int dev_id, const char *dev_name, void (*callback)(int lch, u16 ch_status, void *data), @@ -572,6 +569,7 @@ static void omap_clear_dma(int lch) local_irq_restore(flags); } +#if IS_ENABLED(CONFIG_USB_OMAP) void omap_start_dma(int lch) { u32 l; @@ -792,6 +790,7 @@ int omap_get_dma_active_status(int lch) return (p->dma_read(CCR, lch) & OMAP_DMA_CCR_EN) != 0; } EXPORT_SYMBOL(omap_get_dma_active_status); +#endif int omap_dma_running(void) { diff --git a/drivers/usb/gadget/udc/Kconfig b/drivers/usb/gadget/udc/Kconfig index cee934dce4f0..69394dc1cdfb 100644 --- a/drivers/usb/gadget/udc/Kconfig +++ b/drivers/usb/gadget/udc/Kconfig @@ -128,7 +128,7 @@ config USB_GR_UDC config USB_OMAP tristate "OMAP USB Device Controller" - depends on ARCH_OMAP1 || (ARCH_OMAP && COMPILE_TEST) + depends on ARCH_OMAP1 depends on ISP1301_OMAP || !(MACH_OMAP_H2 || MACH_OMAP_H3) help Many Texas Instruments OMAP processors have flexible full diff --git a/include/linux/omap-dma.h b/include/linux/omap-dma.h index 5e228428fda1..07fa58ae9902 100644 --- a/include/linux/omap-dma.h +++ b/include/linux/omap-dma.h @@ -299,8 +299,9 @@ extern void omap_set_dma_priority(int lch, int dst_port, int priority); extern int omap_request_dma(int dev_id, const char *dev_name, void (*callback)(int lch, u16 ch_status, void *data), void *data, int *dma_ch); -extern void omap_disable_dma_irq(int ch, u16 irq_bits); extern void omap_free_dma(int ch); +#if IS_ENABLED(CONFIG_USB_OMAP) +extern void omap_disable_dma_irq(int ch, u16 irq_bits); extern void omap_start_dma(int lch); extern void omap_stop_dma(int lch); extern void omap_set_dma_transfer_params(int lch, int data_type, @@ -326,6 +327,8 @@ extern void omap_set_dma_dest_burst_mode(int lch, extern dma_addr_t omap_get_dma_src_pos(int lch); extern dma_addr_t omap_get_dma_dst_pos(int lch); extern int omap_get_dma_active_status(int lch); +#endif + extern int omap_dma_running(void); #if IS_ENABLED(CONFIG_FB_OMAP) -- 2.29.2 _______________________________________________ linux-arm-kernel mailing list linux-arm-kernel@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-arm-kernel
next prev parent reply other threads:[~2022-04-19 13:40 UTC|newest] Thread overview: 245+ messages / expand[flat|nested] mbox.gz Atom feed top 2022-04-19 13:36 [PATCH 00/41] OMAP1 full multiplatform conversion Arnd Bergmann 2022-04-19 13:36 ` Arnd Bergmann 2022-04-19 13:36 ` Arnd Bergmann 2022-04-19 13:36 ` Arnd Bergmann 2022-04-19 13:36 ` [PATCH 01/41] video: fbdev: omapfb: lcd_ams_delta: fix unused variable warning Arnd Bergmann 2022-04-19 13:36 ` Arnd Bergmann 2022-04-19 13:36 ` Arnd Bergmann 2022-04-19 13:36 ` Arnd Bergmann 2022-04-20 9:24 ` Sergei Shtylyov 2022-04-20 9:24 ` Sergei Shtylyov 2022-04-20 9:24 ` Sergei Shtylyov 2022-04-20 9:24 ` Sergei Shtylyov 2022-04-20 11:32 ` Arnd Bergmann 2022-04-20 11:32 ` Arnd Bergmann 2022-04-20 11:32 ` Arnd Bergmann 2022-04-20 11:32 ` Arnd Bergmann 2022-04-19 13:36 ` [PATCH 02/41] ARM: omap1: innovator: pass lcd control address as pdata Arnd Bergmann 2022-04-19 13:36 ` Arnd Bergmann 2022-04-19 13:36 ` Arnd Bergmann 2022-04-19 13:36 ` Arnd Bergmann 2022-04-19 13:36 ` [PATCH 03/41] ARM: omap1: move lcd_dma code into omapfb driver Arnd Bergmann 2022-04-19 13:36 ` Arnd Bergmann 2022-04-19 13:36 ` Arnd Bergmann 2022-04-19 13:36 ` Arnd Bergmann 2022-04-19 13:36 ` [PATCH 04/41] ARM: omap1: declare a dummy omap_set_dma_priority Arnd Bergmann 2022-04-19 13:36 ` Arnd Bergmann 2022-04-19 13:36 ` Arnd Bergmann 2022-04-19 13:36 ` Arnd Bergmann 2022-04-19 13:36 ` [PATCH 05/41] fbdev: omap: pass irqs as resource Arnd Bergmann 2022-04-19 13:36 ` Arnd Bergmann 2022-04-19 13:36 ` Arnd Bergmann 2022-04-19 13:36 ` Arnd Bergmann 2022-04-19 13:36 ` [PATCH 06/41] ARM: omap1: ams-delta: remove camera leftovers Arnd Bergmann 2022-04-19 13:36 ` Arnd Bergmann 2022-04-19 13:36 ` Arnd Bergmann 2022-04-19 13:36 ` Arnd Bergmann 2022-04-19 13:36 ` [PATCH 07/41] ARM: omap1: move mach/usb.h to include/linux/soc Arnd Bergmann 2022-04-19 13:36 ` Arnd Bergmann 2022-04-19 13:36 ` Arnd Bergmann 2022-04-19 13:36 ` Arnd Bergmann 2022-04-19 13:36 ` [PATCH 08/41] ARM: omap1: move some headers " Arnd Bergmann 2022-04-19 13:36 ` Arnd Bergmann 2022-04-19 13:36 ` Arnd Bergmann 2022-04-19 13:36 ` Arnd Bergmann 2022-04-19 13:36 ` [PATCH 09/41] ARM: omap1: move perseus spi pinconf to board file Arnd Bergmann 2022-04-19 13:36 ` Arnd Bergmann 2022-04-19 13:36 ` Arnd Bergmann 2022-04-19 13:36 ` Arnd Bergmann 2022-04-19 13:36 ` [PATCH 10/41] ARM: omap1: move CF chipselect setup " Arnd Bergmann 2022-04-19 13:36 ` Arnd Bergmann 2022-04-19 13:36 ` Arnd Bergmann 2022-04-19 13:36 ` Arnd Bergmann 2022-04-19 13:36 ` [PATCH 11/41] fbdev: omap: avoid using mach/*.h files Arnd Bergmann 2022-04-19 13:36 ` Arnd Bergmann 2022-04-19 13:36 ` Arnd Bergmann 2022-04-19 13:36 ` Arnd Bergmann 2022-04-19 13:36 ` [PATCH 12/41] usb: omap: avoid mach/*.h headers Arnd Bergmann 2022-04-19 13:36 ` Arnd Bergmann 2022-04-19 13:36 ` Arnd Bergmann 2022-04-19 13:36 ` Arnd Bergmann 2022-04-19 13:36 ` [PATCH 13/41] clocksource: ti-dmtimer: avoid using mach/hardware.h Arnd Bergmann 2022-04-19 13:36 ` Arnd Bergmann 2022-04-19 13:36 ` Arnd Bergmann 2022-04-19 13:36 ` Arnd Bergmann 2022-04-19 13:36 ` [PATCH 14/41] serial: 8250/omap1: include linux/soc/ti/omap1-soc.h Arnd Bergmann 2022-04-19 13:36 ` Arnd Bergmann 2022-04-19 13:36 ` Arnd Bergmann 2022-04-19 13:36 ` Arnd Bergmann 2022-04-20 14:46 ` Greg KH 2022-04-20 14:46 ` Greg KH 2022-04-20 14:46 ` Greg KH 2022-04-20 14:46 ` Greg KH 2022-04-19 13:36 ` [PATCH 15/41] input: omap: void using mach/*.h headers Arnd Bergmann 2022-04-19 13:36 ` Arnd Bergmann 2022-04-19 13:36 ` Arnd Bergmann 2022-04-19 13:36 ` Arnd Bergmann 2022-04-20 20:44 ` Dmitry Torokhov 2022-04-20 20:44 ` Dmitry Torokhov 2022-04-20 20:44 ` Dmitry Torokhov 2022-04-20 20:44 ` Dmitry Torokhov 2022-04-19 13:36 ` [PATCH 16/41] ARM: omap1: innovator: move ohci phy power handling to board file Arnd Bergmann 2022-04-19 13:36 ` Arnd Bergmann 2022-04-19 13:36 ` Arnd Bergmann 2022-04-19 13:36 ` Arnd Bergmann 2022-04-19 13:36 ` [PATCH 17/41] ARM: omap1: move 32k counter from plat-omap to mach-omap1 Arnd Bergmann 2022-04-19 13:36 ` Arnd Bergmann 2022-04-19 13:36 ` Arnd Bergmann 2022-04-19 13:36 ` Arnd Bergmann 2022-04-21 6:17 ` Tony Lindgren 2022-04-21 6:17 ` Tony Lindgren 2022-04-21 6:17 ` Tony Lindgren 2022-04-21 6:17 ` Tony Lindgren 2022-04-19 13:37 ` [PATCH 18/41] ARM: omap: remove debug-leds driver Arnd Bergmann 2022-04-19 13:37 ` Arnd Bergmann 2022-04-19 13:37 ` Arnd Bergmann 2022-04-19 13:37 ` Arnd Bergmann 2022-04-19 13:37 ` Arnd Bergmann [this message] 2022-04-19 13:37 ` [PATCH 19/41] ARM: omap: dma: make usb support optional Arnd Bergmann 2022-04-19 13:37 ` Arnd Bergmann 2022-04-19 13:37 ` Arnd Bergmann 2022-04-29 19:24 ` Péter Ujfalusi 2022-04-29 19:24 ` Péter Ujfalusi 2022-04-29 19:24 ` Péter Ujfalusi 2022-04-19 13:37 ` [PATCH 20/41] dma: omap: hide legacy interface Arnd Bergmann 2022-04-19 13:37 ` Arnd Bergmann 2022-04-19 13:37 ` Arnd Bergmann 2022-04-19 13:37 ` Arnd Bergmann 2022-04-22 5:55 ` Vinod Koul 2022-04-22 5:55 ` Vinod Koul 2022-04-22 5:55 ` Vinod Koul 2022-04-22 5:55 ` Vinod Koul 2022-04-19 13:37 ` [PATCH 21/41] ARM: omap1: dma: remove omap2 specific bits Arnd Bergmann 2022-04-19 13:37 ` Arnd Bergmann 2022-04-19 13:37 ` Arnd Bergmann 2022-04-19 13:37 ` Arnd Bergmann 2022-04-29 19:26 ` Péter Ujfalusi 2022-04-29 19:26 ` Péter Ujfalusi 2022-04-29 19:26 ` Péter Ujfalusi 2022-04-19 13:37 ` [PATCH 22/41] ARM: omap1: move plat/dma.c to mach/omap-dma.c Arnd Bergmann 2022-04-19 13:37 ` Arnd Bergmann 2022-04-19 13:37 ` Arnd Bergmann 2022-04-19 13:37 ` Arnd Bergmann 2022-04-29 19:36 ` Péter Ujfalusi 2022-04-29 19:36 ` Péter Ujfalusi 2022-04-29 19:36 ` Péter Ujfalusi 2022-04-19 13:37 ` [PATCH 23/41] ARM: omap: split up arch/arm/plat-omap/Kconfig Arnd Bergmann 2022-04-19 13:37 ` Arnd Bergmann 2022-04-19 13:37 ` Arnd Bergmann 2022-04-19 13:37 ` Arnd Bergmann 2022-04-19 13:37 ` [PATCH 24/41] ARM: omap: un-merge plat/sram.c Arnd Bergmann 2022-04-19 13:37 ` Arnd Bergmann 2022-04-19 13:37 ` Arnd Bergmann 2022-04-19 13:37 ` Arnd Bergmann 2022-04-21 6:32 ` Tony Lindgren 2022-04-21 6:32 ` Tony Lindgren 2022-04-21 6:32 ` Tony Lindgren 2022-04-21 6:32 ` Tony Lindgren 2022-04-19 13:37 ` [PATCH 25/41] ARM: omap: remove empty plat-omap directory Arnd Bergmann 2022-04-19 13:37 ` Arnd Bergmann 2022-04-19 13:37 ` Arnd Bergmann 2022-04-19 13:37 ` Arnd Bergmann 2022-04-19 13:37 ` [PATCH 26/41] ARM: omap1: relocate static I/O mapping Arnd Bergmann 2022-04-19 13:37 ` Arnd Bergmann 2022-04-19 13:37 ` Arnd Bergmann 2022-04-19 13:37 ` Arnd Bergmann 2022-04-20 13:46 ` Aaro Koskinen 2022-04-20 13:46 ` Aaro Koskinen 2022-04-20 13:46 ` Aaro Koskinen 2022-04-20 13:46 ` Aaro Koskinen 2022-04-20 19:20 ` Arnd Bergmann 2022-04-20 19:20 ` Arnd Bergmann 2022-04-20 19:20 ` Arnd Bergmann 2022-04-20 19:20 ` Arnd Bergmann 2022-04-21 5:19 ` Tony Lindgren 2022-04-21 5:19 ` Tony Lindgren 2022-04-21 5:19 ` Tony Lindgren 2022-04-21 5:19 ` Tony Lindgren 2022-04-19 13:37 ` [PATCH 27/41] ARM: omap1: use pci_remap_iospace() for omap_cf Arnd Bergmann 2022-04-19 13:37 ` Arnd Bergmann 2022-04-19 13:37 ` Arnd Bergmann 2022-04-19 13:37 ` Arnd Bergmann 2022-04-19 13:37 ` [PATCH 28/41] ARM: omap1: move mach/*.h into mach directory Arnd Bergmann 2022-04-19 13:37 ` Arnd Bergmann 2022-04-19 13:37 ` Arnd Bergmann 2022-04-19 13:37 ` Arnd Bergmann 2022-04-19 13:37 ` [PATCH 29/41] ARM: omap1: fix build with no SoC selected Arnd Bergmann 2022-04-19 13:37 ` Arnd Bergmann 2022-04-19 13:37 ` Arnd Bergmann 2022-04-19 13:37 ` Arnd Bergmann 2022-04-19 13:37 ` [PATCH 30/41] ARM: OMAP1: Prepare for conversion of OMAP1 clocks to CCF Arnd Bergmann 2022-04-19 13:37 ` Arnd Bergmann 2022-04-19 13:37 ` Arnd Bergmann 2022-04-19 13:37 ` Arnd Bergmann 2022-04-19 13:37 ` [PATCH 31/41] ARM: OMAP1: clock: Fix early UART rate issues Arnd Bergmann 2022-04-19 13:37 ` Arnd Bergmann 2022-04-19 13:37 ` Arnd Bergmann 2022-04-19 13:37 ` Arnd Bergmann 2022-04-19 13:37 ` [PATCH 32/41] ARM: OMAP1: clock: Fix UART rate reporting algorithm Arnd Bergmann 2022-04-19 13:37 ` Arnd Bergmann 2022-04-19 13:37 ` Arnd Bergmann 2022-04-19 13:37 ` Arnd Bergmann 2022-04-19 13:37 ` [PATCH 33/41] ARM: OMAP1: clock: Remove unused code Arnd Bergmann 2022-04-19 13:37 ` Arnd Bergmann 2022-04-19 13:37 ` Arnd Bergmann 2022-04-19 13:37 ` Arnd Bergmann 2022-04-19 13:37 ` [PATCH 34/41] ARM: OMAP1: clock: Remove noop code Arnd Bergmann 2022-04-19 13:37 ` Arnd Bergmann 2022-04-19 13:37 ` Arnd Bergmann 2022-04-19 13:37 ` Arnd Bergmann 2022-04-19 13:37 ` [PATCH 35/41] usb: host: ohci-omap: Make it CCF clk API compatible Arnd Bergmann 2022-04-19 13:37 ` Arnd Bergmann 2022-04-19 13:37 ` Arnd Bergmann 2022-04-19 13:37 ` Arnd Bergmann 2022-04-19 13:37 ` [PATCH 36/41] usb: gadget: omap_udc: " Arnd Bergmann 2022-04-19 13:37 ` Arnd Bergmann 2022-04-19 13:37 ` Arnd Bergmann 2022-04-19 13:37 ` Arnd Bergmann 2022-04-19 13:37 ` [PATCH 37/41] [MERGED] video: fbdev: omap: " Arnd Bergmann 2022-04-19 13:37 ` Arnd Bergmann 2022-04-19 13:37 ` Arnd Bergmann 2022-04-19 13:37 ` Arnd Bergmann 2022-04-19 13:37 ` [PATCH 38/41] [MERGED] mmc: " Arnd Bergmann 2022-04-19 13:37 ` Arnd Bergmann 2022-04-19 13:37 ` Arnd Bergmann 2022-04-19 13:37 ` Arnd Bergmann 2022-04-19 13:37 ` [PATCH 39/41] [MERGED] ASoC: ti: osk5912: " Arnd Bergmann 2022-04-19 13:37 ` Arnd Bergmann 2022-04-19 13:37 ` Arnd Bergmann 2022-04-19 13:37 ` Arnd Bergmann 2022-04-19 13:37 ` [PATCH 40/41] [TO BE REBASED] ARM: OMAP1: clock: Convert to CCF Arnd Bergmann 2022-04-19 13:37 ` Arnd Bergmann 2022-04-19 13:37 ` Arnd Bergmann 2022-04-19 13:37 ` Arnd Bergmann 2022-04-21 6:24 ` Tony Lindgren 2022-04-21 6:24 ` Tony Lindgren 2022-04-21 6:24 ` Tony Lindgren 2022-04-21 6:24 ` Tony Lindgren 2022-04-19 13:37 ` [PATCH 41/41] [TO BE REBASED] ARM: omap1: enable multiplatform Arnd Bergmann 2022-04-19 13:37 ` Arnd Bergmann 2022-04-19 13:37 ` Arnd Bergmann 2022-04-19 13:37 ` Arnd Bergmann 2022-04-19 14:15 ` [PATCH 00/41] OMAP1 full multiplatform conversion Ulf Hansson 2022-04-19 14:15 ` Ulf Hansson 2022-04-19 14:15 ` Ulf Hansson 2022-04-19 14:15 ` Ulf Hansson 2022-04-21 6:27 ` Tony Lindgren 2022-04-21 6:27 ` Tony Lindgren 2022-04-21 6:27 ` Tony Lindgren 2022-04-21 6:27 ` Tony Lindgren 2022-04-20 17:08 ` Aaro Koskinen 2022-04-20 17:08 ` Aaro Koskinen 2022-04-20 17:08 ` Aaro Koskinen 2022-04-20 17:08 ` Aaro Koskinen 2022-04-20 20:00 ` Arnd Bergmann 2022-04-20 20:00 ` Arnd Bergmann 2022-04-20 20:00 ` Arnd Bergmann 2022-04-20 20:00 ` Arnd Bergmann 2022-04-21 13:34 ` Aaro Koskinen 2022-04-21 13:34 ` Aaro Koskinen 2022-04-21 13:34 ` Aaro Koskinen 2022-04-21 13:34 ` Aaro Koskinen 2022-04-21 14:46 ` Arnd Bergmann 2022-04-21 14:46 ` Arnd Bergmann 2022-04-21 14:46 ` Arnd Bergmann 2022-04-21 14:46 ` Arnd Bergmann
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