From: Roger Quadros <rogerq@ti.com> To: <tony@atomide.com>, <computersforpeace@gmail.com>, <boris.brezillon@free-electrons.com> Cc: <dwmw2@infradead.org>, <ezequiel@vanguardiasur.com.ar>, <javier@dowhile0.org>, <fcooper@ti.com>, <nsekhar@ti.com>, <linux-mtd@lists.infradead.org>, <linux-omap@vger.kernel.org>, <devicetree@vger.kernel.org>, <linux-kernel@vger.kernel.org>, Roger Quadros <rogerq@ti.com> Subject: [PATCH v6 16/17] memory: omap-gpmc: Prevent GPMC_STATUS from being accessed via gpmc_regs Date: Thu, 7 Apr 2016 13:08:34 +0300 [thread overview] Message-ID: <1460023715-19332-17-git-send-email-rogerq@ti.com> (raw) In-Reply-To: <1460023715-19332-1-git-send-email-rogerq@ti.com> GPMC_STATUS register is private to the GPMC module and must not be accessed directly by NAND driver through the gpmc_regs. They must use gpmc_omap_get_nand_ops() instead. Signed-off-by: Roger Quadros <rogerq@ti.com> --- drivers/memory/omap-gpmc.c | 2 +- include/linux/platform_data/mtd-nand-omap2.h | 3 ++- 2 files changed, 3 insertions(+), 2 deletions(-) diff --git a/drivers/memory/omap-gpmc.c b/drivers/memory/omap-gpmc.c index ea9c897..33d69b1 100644 --- a/drivers/memory/omap-gpmc.c +++ b/drivers/memory/omap-gpmc.c @@ -1081,7 +1081,7 @@ void gpmc_update_nand_reg(struct gpmc_nand_regs *reg, int cs) { int i; - reg->gpmc_status = gpmc_base + GPMC_STATUS; + reg->gpmc_status = NULL; /* deprecated */ reg->gpmc_nand_command = gpmc_base + GPMC_CS0_OFFSET + GPMC_CS_NAND_COMMAND + GPMC_CS_SIZE * cs; reg->gpmc_nand_address = gpmc_base + GPMC_CS0_OFFSET + diff --git a/include/linux/platform_data/mtd-nand-omap2.h b/include/linux/platform_data/mtd-nand-omap2.h index ff27e5a..7f6de53 100644 --- a/include/linux/platform_data/mtd-nand-omap2.h +++ b/include/linux/platform_data/mtd-nand-omap2.h @@ -45,7 +45,6 @@ enum omap_ecc { }; struct gpmc_nand_regs { - void __iomem *gpmc_status; void __iomem *gpmc_nand_command; void __iomem *gpmc_nand_address; void __iomem *gpmc_nand_data; @@ -64,6 +63,8 @@ struct gpmc_nand_regs { void __iomem *gpmc_bch_result4[GPMC_BCH_NUM_REMAINDER]; void __iomem *gpmc_bch_result5[GPMC_BCH_NUM_REMAINDER]; void __iomem *gpmc_bch_result6[GPMC_BCH_NUM_REMAINDER]; + /* Deprecated. Do not use */ + void __iomem *gpmc_status; }; struct omap_nand_platform_data { -- 2.5.0
WARNING: multiple messages have this Message-ID (diff)
From: Roger Quadros <rogerq@ti.com> To: tony@atomide.com, computersforpeace@gmail.com, boris.brezillon@free-electrons.com Cc: dwmw2@infradead.org, ezequiel@vanguardiasur.com.ar, javier@dowhile0.org, fcooper@ti.com, nsekhar@ti.com, linux-mtd@lists.infradead.org, linux-omap@vger.kernel.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, Roger Quadros <rogerq@ti.com> Subject: [PATCH v6 16/17] memory: omap-gpmc: Prevent GPMC_STATUS from being accessed via gpmc_regs Date: Thu, 7 Apr 2016 13:08:34 +0300 [thread overview] Message-ID: <1460023715-19332-17-git-send-email-rogerq@ti.com> (raw) In-Reply-To: <1460023715-19332-1-git-send-email-rogerq@ti.com> GPMC_STATUS register is private to the GPMC module and must not be accessed directly by NAND driver through the gpmc_regs. They must use gpmc_omap_get_nand_ops() instead. Signed-off-by: Roger Quadros <rogerq@ti.com> --- drivers/memory/omap-gpmc.c | 2 +- include/linux/platform_data/mtd-nand-omap2.h | 3 ++- 2 files changed, 3 insertions(+), 2 deletions(-) diff --git a/drivers/memory/omap-gpmc.c b/drivers/memory/omap-gpmc.c index ea9c897..33d69b1 100644 --- a/drivers/memory/omap-gpmc.c +++ b/drivers/memory/omap-gpmc.c @@ -1081,7 +1081,7 @@ void gpmc_update_nand_reg(struct gpmc_nand_regs *reg, int cs) { int i; - reg->gpmc_status = gpmc_base + GPMC_STATUS; + reg->gpmc_status = NULL; /* deprecated */ reg->gpmc_nand_command = gpmc_base + GPMC_CS0_OFFSET + GPMC_CS_NAND_COMMAND + GPMC_CS_SIZE * cs; reg->gpmc_nand_address = gpmc_base + GPMC_CS0_OFFSET + diff --git a/include/linux/platform_data/mtd-nand-omap2.h b/include/linux/platform_data/mtd-nand-omap2.h index ff27e5a..7f6de53 100644 --- a/include/linux/platform_data/mtd-nand-omap2.h +++ b/include/linux/platform_data/mtd-nand-omap2.h @@ -45,7 +45,6 @@ enum omap_ecc { }; struct gpmc_nand_regs { - void __iomem *gpmc_status; void __iomem *gpmc_nand_command; void __iomem *gpmc_nand_address; void __iomem *gpmc_nand_data; @@ -64,6 +63,8 @@ struct gpmc_nand_regs { void __iomem *gpmc_bch_result4[GPMC_BCH_NUM_REMAINDER]; void __iomem *gpmc_bch_result5[GPMC_BCH_NUM_REMAINDER]; void __iomem *gpmc_bch_result6[GPMC_BCH_NUM_REMAINDER]; + /* Deprecated. Do not use */ + void __iomem *gpmc_status; }; struct omap_nand_platform_data { -- 2.5.0
next prev parent reply other threads:[~2016-04-07 10:10 UTC|newest] Thread overview: 93+ messages / expand[flat|nested] mbox.gz Atom feed top 2016-04-07 10:08 [PATCH v6 00/17] memory: omap-gpmc: mtd: nand: Support GPMC NAND on non-OMAP platforms Roger Quadros 2016-04-07 10:08 ` Roger Quadros 2016-04-07 10:08 ` [PATCH v6 01/17] ARM: OMAP2+: gpmc: Add platform data Roger Quadros 2016-04-07 10:08 ` Roger Quadros 2016-04-07 10:08 ` [PATCH v6 02/17] ARM: OMAP2+: gpmc: Add gpmc timings and settings to " Roger Quadros 2016-04-07 10:08 ` Roger Quadros 2016-04-07 10:08 ` [PATCH v6 03/17] memory: omap-gpmc: Introduce GPMC to NAND interface Roger Quadros 2016-04-07 10:08 ` Roger Quadros 2016-04-07 10:08 ` [PATCH v6 04/17] memory: omap-gpmc: Add GPMC-NAND ops to get writebufferempty status Roger Quadros 2016-04-07 10:08 ` Roger Quadros 2016-04-07 10:08 ` [PATCH v6 05/17] memory: omap-gpmc: Implement IRQ domain for NAND IRQs Roger Quadros 2016-04-07 10:08 ` Roger Quadros 2016-04-11 14:52 ` Rob Herring 2016-04-11 14:52 ` Rob Herring 2016-04-07 10:08 ` [PATCH v6 06/17] mtd: nand: omap: Use gpmc_omap_get_nand_ops() to get NAND registers Roger Quadros 2016-04-07 10:08 ` Roger Quadros 2016-04-07 10:08 ` [PATCH v6 07/17] mtd: nand: omap: Switch to using GPMC-NAND ops for writebuffer empty check Roger Quadros 2016-04-07 10:08 ` Roger Quadros 2016-04-07 10:08 ` [PATCH v6 08/17] mtd: nand: omap: Copy platform data parameters to omap_nand_info data Roger Quadros 2016-04-07 10:08 ` Roger Quadros 2016-04-07 10:08 ` [PATCH v6 09/17] mtd: nand: omap: Clean up device tree support Roger Quadros 2016-04-07 10:08 ` Roger Quadros 2016-04-07 10:08 ` [PATCH v6 10/17] mtd: nand: omap: Update DT binding documentation Roger Quadros 2016-04-07 10:08 ` Roger Quadros 2016-04-07 10:08 ` [PATCH v6 11/17] memory: omap-gpmc: Prevent mapping into 1st 16MB Roger Quadros 2016-04-07 10:08 ` Roger Quadros 2016-04-07 10:08 ` [PATCH v6 12/17] memory: omap-gpmc: Move device tree binding to correct location Roger Quadros 2016-04-07 10:08 ` Roger Quadros 2016-04-07 10:08 ` [PATCH v6 13/17] memory: omap-gpmc: Support general purpose input for WAITPINs Roger Quadros 2016-04-07 10:08 ` Roger Quadros 2016-04-11 15:00 ` Rob Herring 2016-04-11 15:00 ` Rob Herring 2016-04-07 10:08 ` [PATCH v6 14/17] memory: omap-gpmc: Reserve WAITPIN if needed for WAIT monitoring Roger Quadros 2016-04-07 10:08 ` Roger Quadros 2016-04-07 10:08 ` [PATCH v6 15/17] memory: omap-gpmc: Support WAIT pin edge interrupts Roger Quadros 2016-04-07 10:08 ` Roger Quadros 2016-04-11 15:03 ` Rob Herring 2016-04-11 15:03 ` Rob Herring 2016-04-07 10:08 ` Roger Quadros [this message] 2016-04-07 10:08 ` [PATCH v6 16/17] memory: omap-gpmc: Prevent GPMC_STATUS from being accessed via gpmc_regs Roger Quadros 2016-04-07 10:08 ` [PATCH v6 17/17] mtd: nand: omap2: Implement NAND ready using gpiolib Roger Quadros 2016-04-07 10:08 ` Roger Quadros 2016-04-11 15:04 ` Rob Herring 2016-04-11 15:04 ` Rob Herring 2016-04-13 21:25 ` [PATCH v6 00/17] memory: omap-gpmc: mtd: nand: Support GPMC NAND on non-OMAP platforms Tony Lindgren 2016-04-13 21:25 ` Tony Lindgren 2016-04-15 9:34 ` Roger Quadros 2016-04-15 9:34 ` Roger Quadros 2016-04-15 10:09 ` Boris Brezillon 2016-04-15 10:09 ` Boris Brezillon 2016-04-15 10:54 ` Roger Quadros 2016-04-15 10:54 ` Roger Quadros 2016-04-15 11:12 ` Boris Brezillon 2016-04-15 11:12 ` Boris Brezillon 2016-04-15 11:51 ` Boris Brezillon 2016-04-15 11:51 ` Boris Brezillon 2016-04-15 15:41 ` Tony Lindgren 2016-04-15 15:41 ` Tony Lindgren 2016-04-15 16:05 ` Boris Brezillon 2016-04-15 16:05 ` Boris Brezillon 2016-04-15 16:19 ` Tony Lindgren 2016-04-15 16:19 ` Tony Lindgren 2016-04-16 8:57 ` Boris Brezillon 2016-04-18 12:31 ` Roger Quadros 2016-04-18 12:31 ` Roger Quadros 2016-04-18 12:52 ` Roger Quadros 2016-04-18 12:52 ` Roger Quadros 2016-04-18 13:13 ` Boris Brezillon 2016-04-18 13:13 ` Boris Brezillon 2016-04-18 13:48 ` Roger Quadros 2016-04-18 13:48 ` Roger Quadros 2016-04-18 14:10 ` Boris Brezillon 2016-04-18 14:10 ` Boris Brezillon 2016-04-18 14:39 ` Roger Quadros 2016-04-18 14:39 ` Roger Quadros 2016-04-18 14:57 ` Boris Brezillon 2016-04-18 14:57 ` Boris Brezillon 2016-04-19 12:46 ` Roger Quadros 2016-04-19 12:46 ` Roger Quadros 2016-04-19 12:50 ` Boris Brezillon 2016-04-19 12:50 ` Boris Brezillon 2016-04-19 20:11 ` Boris Brezillon 2016-04-19 20:11 ` Boris Brezillon 2016-04-20 8:58 ` Roger Quadros 2016-04-20 8:58 ` Roger Quadros 2016-04-20 14:45 ` Tony Lindgren 2016-04-20 14:45 ` Tony Lindgren 2016-04-19 13:22 ` Boris Brezillon 2016-04-19 13:22 ` Boris Brezillon 2016-04-19 14:26 ` Roger Quadros 2016-04-19 14:26 ` Roger Quadros 2016-04-19 14:49 ` Roger Quadros 2016-04-19 14:49 ` Roger Quadros
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