From: Addy Ke <addy.ke@rock-chips.com> To: robh+dt@kernel.org, pawel.moll@arm.com, mark.rutland@arm.com, ijc+devicetree@hellion.org.uk, galak@codeaurora.org, rdunlap@infradead.org, tgih.jun@samsung.com, jh80.chung@samsung.com, chris@printf.net, ulf.hansson@linaro.org, dinguyen@altera.com, heiko@sntech.de, olof@lixom.net, dianders@chromium.org, sonnyrao@chromium.org Cc: devicetree@vger.kernel.org, linux-doc@vger.kernel.org, linux-kernel@vger.kernel.org, linux-mmc@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-rockchip@lists.infradead.org, zhenfu.fang@rock-chips.com, cf@rock-chips.com, lintao@rock-chips.com, chenfen@rock-chips.com, zyf@rock-chips.com, xjq@rock-chips.com, huangtao@rock-chips.com, zyw@rock-chips.com, yzq@rock-chips.com, hj@rock-chips.com, kever.yang@rock-chips.com, zhangqing@rock-chips.com, hl@rock-chips.com, Addy Ke <addy.ke@rock-chips.com> Subject: [PATCH] mmc: dw_mmc: add support for the other bit of sdio interrupt Date: Thu, 30 Oct 2014 18:50:40 +0800 [thread overview] Message-ID: <1414666240-16782-1-git-send-email-addy.ke@rock-chips.com> (raw) In-Reply-To: <1414635679-12565-1-git-send-email-addy.ke@rock-chips.com> The bit of sdio interrupt is 16 in designware implementation, but it is 24 in RK3288. This patch add sdio_id0 for the number of slot0 in the SDIO interrupt registers, which can be set in platform DT table, such as: - rockchip,sdio-interrupt-slot0 = <8>; Signed-off-by: Addy Ke <addy.ke@rock-chips.com> --- drivers/mmc/host/dw_mmc-rockchip.c | 13 +++++++++++++ drivers/mmc/host/dw_mmc.c | 12 +++++++----- drivers/mmc/host/dw_mmc.h | 2 ++ include/linux/mmc/dw_mmc.h | 3 +++ 4 files changed, 25 insertions(+), 5 deletions(-) diff --git a/drivers/mmc/host/dw_mmc-rockchip.c b/drivers/mmc/host/dw_mmc-rockchip.c index f0c2cb1..54655e7 100644 --- a/drivers/mmc/host/dw_mmc-rockchip.c +++ b/drivers/mmc/host/dw_mmc-rockchip.c @@ -65,6 +65,18 @@ static void dw_mci_rk3288_set_ios(struct dw_mci *host, struct mmc_ios *ios) } } +static int dw_mci_rk3288_parse_dt(struct dw_mci *host) +{ + struct device_node *np = host->dev->of_node; + int sdio_id0; + + if (!of_property_read_u32(np, "rockchip,sdio-interrupt-slot0", + &sdio_id0)) + host->sdio_id0 = sdio_id0; + + return 0; +} + static const struct dw_mci_drv_data rk2928_drv_data = { .prepare_command = dw_mci_rockchip_prepare_command, }; @@ -73,6 +85,7 @@ static const struct dw_mci_drv_data rk3288_drv_data = { .prepare_command = dw_mci_rockchip_prepare_command, .set_ios = dw_mci_rk3288_set_ios, .setup_clock = dw_mci_rk3288_setup_clock, + .parse_dt = dw_mci_rk3288_parse_dt, }; static const struct of_device_id dw_mci_rockchip_match[] = { diff --git a/drivers/mmc/host/dw_mmc.c b/drivers/mmc/host/dw_mmc.c index 69f0cc6..2ea7467 100644 --- a/drivers/mmc/host/dw_mmc.c +++ b/drivers/mmc/host/dw_mmc.c @@ -819,7 +819,7 @@ static void dw_mci_setup_bus(struct dw_mci_slot *slot, bool force_clkinit) /* enable clock; only low power if no SDIO */ clk_en_a = SDMMC_CLKEN_ENABLE << slot->id; - if (!(mci_readl(host, INTMASK) & SDMMC_INT_SDIO(slot->id))) + if (!(mci_readl(host, INTMASK) & SDMMC_INT_SDIO(slot->sdio_id))) clk_en_a |= SDMMC_CLKEN_LOW_PWR << slot->id; mci_writel(host, CLKENA, clk_en_a); @@ -1180,10 +1180,10 @@ static void dw_mci_enable_sdio_irq(struct mmc_host *mmc, int enb) dw_mci_disable_low_power(slot); mci_writel(host, INTMASK, - (int_mask | SDMMC_INT_SDIO(slot->id))); + (int_mask | SDMMC_INT_SDIO(slot->sdio_id))); } else { mci_writel(host, INTMASK, - (int_mask & ~SDMMC_INT_SDIO(slot->id))); + (int_mask & ~SDMMC_INT_SDIO(slot->sdio_id))); } } @@ -2035,8 +2035,9 @@ static irqreturn_t dw_mci_interrupt(int irq, void *dev_id) /* Handle SDIO Interrupts */ for (i = 0; i < host->num_slots; i++) { struct dw_mci_slot *slot = host->slot[i]; - if (pending & SDMMC_INT_SDIO(i)) { - mci_writel(host, RINTSTS, SDMMC_INT_SDIO(i)); + if (pending & SDMMC_INT_SDIO(slot->sdio_id)) { + mci_writel(host, RINTSTS, + SDMMC_INT_SDIO(slot->sdio_id)); mmc_signal_sdio_irq(slot->mmc); } } @@ -2206,6 +2207,7 @@ static int dw_mci_init_slot(struct dw_mci *host, unsigned int id) slot = mmc_priv(mmc); slot->id = id; + slot->sdio_id = host->sdio_id0 + id; slot->mmc = mmc; slot->host = host; host->slot[id] = slot; diff --git a/drivers/mmc/host/dw_mmc.h b/drivers/mmc/host/dw_mmc.h index 01b99e8..3e966a9 100644 --- a/drivers/mmc/host/dw_mmc.h +++ b/drivers/mmc/host/dw_mmc.h @@ -214,6 +214,7 @@ extern int dw_mci_resume(struct dw_mci *host); * with CONFIG_MMC_CLKGATE. * @flags: Random state bits associated with the slot. * @id: Number of this slot. + * @sdio_id: Number of this slot in the SDIO interrupt registers. * @last_detect_state: Most recently observed card detect state. */ struct dw_mci_slot { @@ -234,6 +235,7 @@ struct dw_mci_slot { #define DW_MMC_CARD_PRESENT 0 #define DW_MMC_CARD_NEED_INIT 1 int id; + int sdio_id; int last_detect_state; }; diff --git a/include/linux/mmc/dw_mmc.h b/include/linux/mmc/dw_mmc.h index 0013669..4c0d3f2 100644 --- a/include/linux/mmc/dw_mmc.h +++ b/include/linux/mmc/dw_mmc.h @@ -96,6 +96,7 @@ struct mmc_data; * @quirks: Set of quirks that apply to specific versions of the IP. * @irq_flags: The flags to be passed to request_irq. * @irq: The irq value to be passed to request_irq. + * @sdio_id0: Number of slot0 in the SDIO interrupt registers. * * Locking * ======= @@ -193,6 +194,8 @@ struct dw_mci { bool vqmmc_enabled; unsigned long irq_flags; /* IRQ flags */ int irq; + + int sdio_id0; }; /* DMA ops for Internal/External DMAC interface */ -- 1.8.3.2
WARNING: multiple messages have this Message-ID (diff)
From: addy.ke@rock-chips.com (Addy Ke) To: linux-arm-kernel@lists.infradead.org Subject: [PATCH] mmc: dw_mmc: add support for the other bit of sdio interrupt Date: Thu, 30 Oct 2014 18:50:40 +0800 [thread overview] Message-ID: <1414666240-16782-1-git-send-email-addy.ke@rock-chips.com> (raw) In-Reply-To: <1414635679-12565-1-git-send-email-addy.ke@rock-chips.com> The bit of sdio interrupt is 16 in designware implementation, but it is 24 in RK3288. This patch add sdio_id0 for the number of slot0 in the SDIO interrupt registers, which can be set in platform DT table, such as: - rockchip,sdio-interrupt-slot0 = <8>; Signed-off-by: Addy Ke <addy.ke@rock-chips.com> --- drivers/mmc/host/dw_mmc-rockchip.c | 13 +++++++++++++ drivers/mmc/host/dw_mmc.c | 12 +++++++----- drivers/mmc/host/dw_mmc.h | 2 ++ include/linux/mmc/dw_mmc.h | 3 +++ 4 files changed, 25 insertions(+), 5 deletions(-) diff --git a/drivers/mmc/host/dw_mmc-rockchip.c b/drivers/mmc/host/dw_mmc-rockchip.c index f0c2cb1..54655e7 100644 --- a/drivers/mmc/host/dw_mmc-rockchip.c +++ b/drivers/mmc/host/dw_mmc-rockchip.c @@ -65,6 +65,18 @@ static void dw_mci_rk3288_set_ios(struct dw_mci *host, struct mmc_ios *ios) } } +static int dw_mci_rk3288_parse_dt(struct dw_mci *host) +{ + struct device_node *np = host->dev->of_node; + int sdio_id0; + + if (!of_property_read_u32(np, "rockchip,sdio-interrupt-slot0", + &sdio_id0)) + host->sdio_id0 = sdio_id0; + + return 0; +} + static const struct dw_mci_drv_data rk2928_drv_data = { .prepare_command = dw_mci_rockchip_prepare_command, }; @@ -73,6 +85,7 @@ static const struct dw_mci_drv_data rk3288_drv_data = { .prepare_command = dw_mci_rockchip_prepare_command, .set_ios = dw_mci_rk3288_set_ios, .setup_clock = dw_mci_rk3288_setup_clock, + .parse_dt = dw_mci_rk3288_parse_dt, }; static const struct of_device_id dw_mci_rockchip_match[] = { diff --git a/drivers/mmc/host/dw_mmc.c b/drivers/mmc/host/dw_mmc.c index 69f0cc6..2ea7467 100644 --- a/drivers/mmc/host/dw_mmc.c +++ b/drivers/mmc/host/dw_mmc.c @@ -819,7 +819,7 @@ static void dw_mci_setup_bus(struct dw_mci_slot *slot, bool force_clkinit) /* enable clock; only low power if no SDIO */ clk_en_a = SDMMC_CLKEN_ENABLE << slot->id; - if (!(mci_readl(host, INTMASK) & SDMMC_INT_SDIO(slot->id))) + if (!(mci_readl(host, INTMASK) & SDMMC_INT_SDIO(slot->sdio_id))) clk_en_a |= SDMMC_CLKEN_LOW_PWR << slot->id; mci_writel(host, CLKENA, clk_en_a); @@ -1180,10 +1180,10 @@ static void dw_mci_enable_sdio_irq(struct mmc_host *mmc, int enb) dw_mci_disable_low_power(slot); mci_writel(host, INTMASK, - (int_mask | SDMMC_INT_SDIO(slot->id))); + (int_mask | SDMMC_INT_SDIO(slot->sdio_id))); } else { mci_writel(host, INTMASK, - (int_mask & ~SDMMC_INT_SDIO(slot->id))); + (int_mask & ~SDMMC_INT_SDIO(slot->sdio_id))); } } @@ -2035,8 +2035,9 @@ static irqreturn_t dw_mci_interrupt(int irq, void *dev_id) /* Handle SDIO Interrupts */ for (i = 0; i < host->num_slots; i++) { struct dw_mci_slot *slot = host->slot[i]; - if (pending & SDMMC_INT_SDIO(i)) { - mci_writel(host, RINTSTS, SDMMC_INT_SDIO(i)); + if (pending & SDMMC_INT_SDIO(slot->sdio_id)) { + mci_writel(host, RINTSTS, + SDMMC_INT_SDIO(slot->sdio_id)); mmc_signal_sdio_irq(slot->mmc); } } @@ -2206,6 +2207,7 @@ static int dw_mci_init_slot(struct dw_mci *host, unsigned int id) slot = mmc_priv(mmc); slot->id = id; + slot->sdio_id = host->sdio_id0 + id; slot->mmc = mmc; slot->host = host; host->slot[id] = slot; diff --git a/drivers/mmc/host/dw_mmc.h b/drivers/mmc/host/dw_mmc.h index 01b99e8..3e966a9 100644 --- a/drivers/mmc/host/dw_mmc.h +++ b/drivers/mmc/host/dw_mmc.h @@ -214,6 +214,7 @@ extern int dw_mci_resume(struct dw_mci *host); * with CONFIG_MMC_CLKGATE. * @flags: Random state bits associated with the slot. * @id: Number of this slot. + * @sdio_id: Number of this slot in the SDIO interrupt registers. * @last_detect_state: Most recently observed card detect state. */ struct dw_mci_slot { @@ -234,6 +235,7 @@ struct dw_mci_slot { #define DW_MMC_CARD_PRESENT 0 #define DW_MMC_CARD_NEED_INIT 1 int id; + int sdio_id; int last_detect_state; }; diff --git a/include/linux/mmc/dw_mmc.h b/include/linux/mmc/dw_mmc.h index 0013669..4c0d3f2 100644 --- a/include/linux/mmc/dw_mmc.h +++ b/include/linux/mmc/dw_mmc.h @@ -96,6 +96,7 @@ struct mmc_data; * @quirks: Set of quirks that apply to specific versions of the IP. * @irq_flags: The flags to be passed to request_irq. * @irq: The irq value to be passed to request_irq. + * @sdio_id0: Number of slot0 in the SDIO interrupt registers. * * Locking * ======= @@ -193,6 +194,8 @@ struct dw_mci { bool vqmmc_enabled; unsigned long irq_flags; /* IRQ flags */ int irq; + + int sdio_id0; }; /* DMA ops for Internal/External DMAC interface */ -- 1.8.3.2
next prev parent reply other threads:[~2014-10-30 10:51 UTC|newest] Thread overview: 104+ messages / expand[flat|nested] mbox.gz Atom feed top 2014-10-30 2:21 [PATCH] mmc: dw_mmc: add a quirk for the defferent bit of sdio interrupt Addy Ke 2014-10-30 2:21 ` Addy Ke 2014-10-30 4:35 ` Jaehoon Chung 2014-10-30 4:35 ` Jaehoon Chung 2014-10-30 4:41 ` Doug Anderson 2014-10-30 4:41 ` Doug Anderson 2014-10-30 4:41 ` Doug Anderson 2014-10-30 4:49 ` Doug Anderson 2014-10-30 4:49 ` Doug Anderson 2014-10-30 4:49 ` Doug Anderson 2014-10-30 6:54 ` addy ke 2014-10-30 6:54 ` addy ke 2014-10-30 10:50 ` Addy Ke [this message] 2014-10-30 10:50 ` [PATCH] mmc: dw_mmc: add support for the other " Addy Ke 2014-10-30 11:02 ` Jaehoon Chung 2014-10-30 11:02 ` Jaehoon Chung 2014-10-31 0:46 ` addy ke 2014-10-31 0:46 ` addy ke 2014-10-31 1:14 ` Jaehoon Chung 2014-10-31 1:14 ` Jaehoon Chung 2014-10-30 11:11 ` Ulf Hansson 2014-10-30 11:11 ` Ulf Hansson 2014-10-30 11:11 ` Ulf Hansson 2014-10-30 11:17 ` Jaehoon Chung 2014-10-30 11:17 ` Jaehoon Chung 2014-10-30 11:17 ` Jaehoon Chung 2014-10-31 0:54 ` addy ke 2014-10-31 0:54 ` addy ke 2014-10-31 3:50 ` [PATCH v2] " Addy Ke 2014-10-31 3:50 ` Addy Ke 2014-10-31 5:14 ` Doug Anderson 2014-10-31 5:14 ` Doug Anderson 2014-10-31 5:14 ` Doug Anderson 2014-10-31 8:45 ` Jaehoon Chung 2014-10-31 8:45 ` Jaehoon Chung 2014-10-31 8:45 ` Jaehoon Chung 2014-10-31 15:55 ` Doug Anderson 2014-10-31 15:55 ` Doug Anderson 2014-10-31 15:55 ` Doug Anderson 2014-10-31 10:43 ` Heiko Stübner 2014-10-31 10:43 ` Heiko Stübner 2014-11-03 0:54 ` addy ke 2014-11-03 0:54 ` addy ke 2014-11-03 1:20 ` [PATCH v3] " Addy Ke 2014-11-03 1:20 ` Addy Ke 2014-11-03 8:59 ` Jaehoon Chung 2014-11-03 8:59 ` Jaehoon Chung 2014-11-03 10:23 ` addy ke 2014-11-03 10:23 ` addy ke 2014-11-04 2:14 ` Jaehoon Chung 2014-11-04 2:14 ` Jaehoon Chung 2014-11-03 10:23 ` Heiko Stübner 2014-11-03 10:23 ` Heiko Stübner 2014-11-04 2:15 ` Jaehoon Chung 2014-11-04 2:15 ` Jaehoon Chung 2014-11-04 14:03 ` [PATCH v4] " Addy Ke 2014-11-04 14:03 ` Addy Ke 2014-11-11 4:02 ` [PATCH] mmc: dw_mmc: try pick the exact same voltage as vmmc for vqmmc Addy Ke 2014-11-11 4:02 ` Addy Ke 2014-11-11 4:02 ` Addy Ke 2014-11-11 8:52 ` Ulf Hansson 2014-11-11 8:52 ` Ulf Hansson 2014-11-11 8:52 ` Ulf Hansson 2014-11-12 18:04 ` Doug Anderson 2014-11-12 18:04 ` Doug Anderson 2014-11-12 18:04 ` Doug Anderson 2014-11-13 2:19 ` addy ke 2014-11-13 2:19 ` addy ke 2014-11-21 12:06 ` Ulf Hansson 2014-11-21 12:06 ` Ulf Hansson 2014-11-21 12:06 ` Ulf Hansson 2014-11-21 12:29 ` Jaehoon Chung 2014-11-21 12:29 ` Jaehoon Chung 2014-11-21 12:29 ` Jaehoon Chung 2014-11-21 17:42 ` Doug Anderson 2014-11-21 17:42 ` Doug Anderson 2014-11-21 17:42 ` Doug Anderson 2014-11-21 21:04 ` Doug Anderson 2014-11-21 21:04 ` Doug Anderson 2014-11-21 21:04 ` Doug Anderson 2014-11-24 13:29 ` Ulf Hansson 2014-11-24 13:29 ` Ulf Hansson 2014-11-24 13:29 ` Ulf Hansson 2014-11-25 2:38 ` Addy 2014-11-25 2:38 ` Addy 2014-11-25 2:38 ` Addy 2014-11-25 5:36 ` Doug Anderson 2014-11-25 5:36 ` Doug Anderson 2014-11-25 5:36 ` Doug Anderson 2014-11-25 21:11 ` Alexandru Stan 2014-11-25 21:11 ` Alexandru Stan 2014-11-25 21:11 ` Alexandru Stan 2014-11-25 5:29 ` Doug Anderson 2014-11-25 5:29 ` Doug Anderson 2014-11-25 5:29 ` Doug Anderson 2014-11-13 18:58 ` [PATCH v4] mmc: dw_mmc: add support for the other bit of sdio interrupt Doug Anderson 2014-11-13 18:58 ` Doug Anderson 2014-11-13 18:58 ` Doug Anderson 2014-11-14 13:25 ` Jaehoon Chung 2014-11-14 13:25 ` Jaehoon Chung 2014-11-14 13:25 ` Jaehoon Chung 2014-11-19 10:32 ` Ulf Hansson 2014-11-19 10:32 ` Ulf Hansson 2014-11-19 10:32 ` Ulf Hansson
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