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From: Janusz Krzysztofik <jmkrzyszt@gmail.com>
To: Boris Brezillon <boris.brezillon@bootlin.com>,
	Miquel Raynal <miquel.raynal@bootlin.com>
Cc: Tony Lindgren <tony@atomide.com>,
	Aaro Koskinen <aaro.koskinen@iki.fi>,
	Grygorii Strashko <grygorii.strashko@ti.com>,
	Santosh Shilimkar <ssantosh@kernel.org>,
	Kevin Hilman <khilman@kernel.org>,
	Linus Walleij <linus.walleij@linaro.org>,
	Richard Weinberger <richard@nod.at>,
	David Woodhouse <dwmw2@infradead.org>,
	Brian Norris <computersforpeace@gmail.com>,
	Marek Vasut <marek.vasut@gmail.com>,
	linux-mtd@lists.infradead.org,
	linux-arm-kernel@lists.infradead.org, linux-omap@vger.kernel.org,
	linux-gpio@vger.kernel.org, linux-kernel@vger.kernel.org,
	Artem Bityutskiy <artem.bityutskiy@linux.intel.com>,
	Janusz Krzysztofik <jmkrzyszt@gmail.com>
Subject: [RFC PATCH 5/8] mtd: rawnand: ams-delta: Request data port GPIO resource
Date: Thu, 19 Jul 2018 01:57:07 +0200
Message-ID: <20180718235710.18242-6-jmkrzyszt@gmail.com> (raw)
In-Reply-To: <20180718235710.18242-1-jmkrzyszt@gmail.com>

Data port used by the driver is actually an OMAP MPUIO device, already
under control of gpio-omap driver.  For that reason we used to not
request the memory region of the port as that would fail because the
region is already busy.  Despite that, we are still accessing the port
by just ioremapping it and performing read/write operations.  Moreover,
we are doing that without any proteciton from other users legally
manipulating the port pins over GPIO API.

The plan is to convert the driver to access the port over functions
exposed by the gpio-omap driver.  Before that happens, we can already
obtain exclusive access to the port by requesting an array of its GPIO
descriptors.  For that to work on Amstrad Delta, respective GPIO lookup
table entries are added to the board init file.

Signed-off-by: Janusz Krzysztofik <jmkrzyszt@gmail.com>
---
 arch/arm/mach-omap1/board-ams-delta.c | 11 ++++++++++-
 drivers/mtd/nand/raw/ams-delta.c      |  8 ++++++++
 2 files changed, 18 insertions(+), 1 deletion(-)

diff --git a/arch/arm/mach-omap1/board-ams-delta.c b/arch/arm/mach-omap1/board-ams-delta.c
index eedacdfe9725..16f7bbe47607 100644
--- a/arch/arm/mach-omap1/board-ams-delta.c
+++ b/arch/arm/mach-omap1/board-ams-delta.c
@@ -337,7 +337,8 @@ static struct platform_device ams_delta_nand_device = {
 	.resource	= ams_delta_nand_resources,
 };
 
-#define OMAP_GPIO_LABEL	"gpio-0-15"
+#define OMAP_GPIO_LABEL		"gpio-0-15"
+#define OMAP_MPUIO_LABEL	"mpuio"
 
 static struct gpiod_lookup_table ams_delta_nand_gpio_table = {
 	.table = {
@@ -349,6 +350,14 @@ static struct gpiod_lookup_table ams_delta_nand_gpio_table = {
 		GPIO_LOOKUP(LATCH2_LABEL, LATCH2_PIN_NAND_NWE, "nwe", 0),
 		GPIO_LOOKUP(LATCH2_LABEL, LATCH2_PIN_NAND_ALE, "ale", 0),
 		GPIO_LOOKUP(LATCH2_LABEL, LATCH2_PIN_NAND_CLE, "cle", 0),
+		GPIO_LOOKUP_IDX(OMAP_MPUIO_LABEL, 0, "data", 0, 0),
+		GPIO_LOOKUP_IDX(OMAP_MPUIO_LABEL, 1, "data", 1, 0),
+		GPIO_LOOKUP_IDX(OMAP_MPUIO_LABEL, 2, "data", 2, 0),
+		GPIO_LOOKUP_IDX(OMAP_MPUIO_LABEL, 3, "data", 3, 0),
+		GPIO_LOOKUP_IDX(OMAP_MPUIO_LABEL, 4, "data", 4, 0),
+		GPIO_LOOKUP_IDX(OMAP_MPUIO_LABEL, 5, "data", 5, 0),
+		GPIO_LOOKUP_IDX(OMAP_MPUIO_LABEL, 6, "data", 6, 0),
+		GPIO_LOOKUP_IDX(OMAP_MPUIO_LABEL, 7, "data", 7, 0),
 		{ },
 	},
 };
diff --git a/drivers/mtd/nand/raw/ams-delta.c b/drivers/mtd/nand/raw/ams-delta.c
index d7e4c9dbef67..ad62c0245458 100644
--- a/drivers/mtd/nand/raw/ams-delta.c
+++ b/drivers/mtd/nand/raw/ams-delta.c
@@ -189,6 +189,7 @@ static int ams_delta_init(struct platform_device *pdev)
 	struct mtd_info *mtd;
 	struct resource *res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
 	void __iomem *io_base;
+	struct gpio_descs *data_gpiods;
 	int err = 0;
 
 	if (!res)
@@ -289,6 +290,13 @@ static int ams_delta_init(struct platform_device *pdev)
 		dev_err(&pdev->dev, "CLE GPIO request failed (%d)\n", err);
 		goto out_mtd;
 	}
+	/* Request array of data pins, initialize them as output and set low */
+	data_gpiods = devm_gpiod_get_array(&pdev->dev, "data", GPIOD_OUT_LOW);
+	if (IS_ERR(data_gpiods)) {
+		err = PTR_ERR(data_gpiods);
+		dev_err(&pdev->dev, "data GPIO request failed: %d\n", err);
+		goto out_mtd;
+	}
 
 	/* Scan to find existence of the device */
 	err = nand_scan(mtd, 1);
-- 
2.16.4


  parent reply index

Thread overview: 206+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2018-07-18 23:57 [RFC PATCH 0/8] mtd: rawnand: ams-delta: Use gpio-omap accessors for data I/O Janusz Krzysztofik
2018-07-18 23:57 ` [RFC PATCH 1/8] mtd: rawnand: ams-delta: Use private structure Janusz Krzysztofik
2018-07-19  6:17   ` Boris Brezillon
2018-07-20 17:57     ` Janusz Krzysztofik
2018-07-18 23:57 ` [RFC PATCH 2/8] mtd: rawnand: ams-delta: Write protect device during probe Janusz Krzysztofik
2018-07-19  6:22   ` Boris Brezillon
2018-07-20 18:02     ` Janusz Krzysztofik
2018-07-18 23:57 ` [RFC PATCH 3/8] mtd: rawnand: ams-delta: Set port direction once per transfer Janusz Krzysztofik
2018-07-19  6:23   ` Boris Brezillon
2018-07-20 18:12     ` Janusz Krzysztofik
2018-07-20 19:29       ` Boris Brezillon
2018-07-18 23:57 ` [RFC PATCH 4/8] mtd: rawnand: ams-delta: Optimize pointer resolution on read/write Janusz Krzysztofik
2018-07-19  6:25   ` Boris Brezillon
2018-07-20 18:14     ` Janusz Krzysztofik
2018-07-20 19:29       ` Boris Brezillon
2018-07-18 23:57 ` Janusz Krzysztofik [this message]
2018-07-19  6:28   ` [RFC PATCH 5/8] mtd: rawnand: ams-delta: Request data port GPIO resource Boris Brezillon
2018-07-18 23:57 ` [RFC PATCH 6/8] gpio: omap: Add get/set_multiple() callbacks Janusz Krzysztofik
2018-07-29 20:29   ` Linus Walleij
2018-08-03  1:52     ` Grygorii Strashko
2018-08-03 16:47   ` Linus Walleij
2018-07-18 23:57 ` [RFC PATCH 7/8] mtd: rawnand: ams-delta: Check sanity of data GPIO resource Janusz Krzysztofik
2018-07-19  6:44   ` Boris Brezillon
2018-07-29 20:36     ` Linus Walleij
2018-07-29 21:16       ` Boris Brezillon
2018-07-29 20:33   ` Linus Walleij
2018-07-18 23:57 ` [RFC PATCH 8/8] mtd: rawnand: ams-delta: Use GPIO callbacks for data I/O Janusz Krzysztofik
2018-07-19  6:47   ` Boris Brezillon
2018-07-20 18:38     ` Janusz Krzysztofik
2018-07-20 19:48       ` Boris Brezillon
2018-07-19  6:15 ` [RFC PATCH 0/8] mtd: rawnand: ams-delta: Use gpio-omap accessors " Boris Brezillon
2018-07-20 17:55   ` Janusz Krzysztofik
2018-07-20 19:25     ` Boris Brezillon
2018-10-03 12:00   ` [RFC PATCH] mtd: rawnand: ams-delta: use ->exec_op() Janusz Krzysztofik
2018-10-03 12:30     ` Boris Brezillon
2018-10-03 13:55       ` Janusz Krzysztofik
2018-10-03 14:06         ` Boris Brezillon
2018-10-04 13:52           ` Janusz Krzysztofik
2018-10-04 13:59             ` Boris Brezillon
2018-10-04 14:11               ` Janusz Krzysztofik
2018-10-04 14:22                 ` Boris Brezillon
2018-10-12 20:41     ` [PATCH v2 1/2] mtd: rawnand: Provide helper for polling GPIO R/B pin Janusz Krzysztofik
2018-10-12 20:41       ` [PATCH v2 2/2] mtd: rawnand: ams-delta: Use ->exec_op() Janusz Krzysztofik
2018-10-13  6:05         ` Boris Brezillon
2018-10-13  5:55       ` [PATCH v2 1/2] mtd: rawnand: Provide helper for polling GPIO R/B pin Boris Brezillon
2018-10-15 19:41       ` [PATCH v3 1/3] " Janusz Krzysztofik
2018-10-15 19:41         ` [PATCH v3 2/3] mtd: rawnand: ams-delta: Stop using legacy .IOADDR_R/W Janusz Krzysztofik
2018-10-15 19:41         ` [PATCH v3 3/3] mtd: rawnand: ams-delta: Convert the driver to ->exec_op() Janusz Krzysztofik
2018-11-11 20:53         ` [PATCH v3 1/3] mtd: rawnand: Provide helper for polling GPIO R/B pin Miquel Raynal
2018-08-06 22:29 ` [RFC PATCH v2] mtd: rawnand: ams-delta: Use GPIO API for data I/O Janusz Krzysztofik
2018-08-06 22:29   ` [RFC PATCH v2 01/12] mtd: rawnand: ams-delta: Assign mtd->dev.parent, not mtd->owner Janusz Krzysztofik
2018-08-06 23:54     ` Marek Vasut
2018-08-07 21:55       ` Janusz Krzysztofik
2018-08-07 16:57     ` Boris Brezillon
2018-08-06 22:29   ` [RFC PATCH v2 02/12] mtd: rawnand: ams-delta: Use private structure Janusz Krzysztofik
2018-08-07 16:59     ` Boris Brezillon
2018-08-06 22:29   ` [RFC PATCH v2 03/12] ARM: OMAP1: ams-delta: Provide GPIO lookup table for NAND data port Janusz Krzysztofik
2018-08-07 16:59     ` Boris Brezillon
2018-08-10 10:10     ` Linus Walleij
2018-08-06 22:29   ` [RFC PATCH v2 04/12] mtd: rawnand: ams-delta: request data port GPIO resource Janusz Krzysztofik
2018-08-07 17:00     ` Boris Brezillon
2018-08-10 10:11     ` Linus Walleij
2018-08-06 22:29   ` [RFC PATCH v2 05/12] mtd: rawnand: ams-delta: use GPIO API for data read/write Janusz Krzysztofik
2018-08-06 23:57     ` Marek Vasut
2018-08-07 17:06     ` Boris Brezillon
2018-08-07 17:11       ` Janusz Krzysztofik
2018-08-10 10:25     ` Linus Walleij
2018-08-06 22:29   ` [RFC PATCH v2 06/12] ARM: OMAP1: ams-delta: drop obsolete NAND resources Janusz Krzysztofik
2018-08-06 22:29   ` [RFC PATCH v2 07/12] mtd: rawnand: ams-delta: Set port direction once per transfer Janusz Krzysztofik
2018-08-07 18:57     ` Boris Brezillon
2018-08-08 16:55       ` Janusz Krzysztofik
2018-08-08 17:42         ` Miquel Raynal
2018-08-06 22:29   ` [RFC PATCH v2 08/12] mtd: rawnand: ams-delta: Simplify pointer resolution on read/write Janusz Krzysztofik
2018-08-07 17:02     ` Boris Brezillon
2018-08-07 17:15       ` Janusz Krzysztofik
2018-08-06 22:29   ` [RFC PATCH v2 09/12] gpiolib: Identify GPIO descriptor arrays with direct mapping Janusz Krzysztofik
2018-08-06 23:29     ` Linus Walleij
2018-08-07 16:50       ` Janusz Krzysztofik
2018-08-07 17:10         ` Boris Brezillon
2018-08-07 17:14     ` Boris Brezillon
2018-08-07 17:19       ` Janusz Krzysztofik
2018-08-06 22:29   ` [RFC PATCH v2 10/12] gpiolib: Introduce bitmap get/set array API extension Janusz Krzysztofik
2018-08-06 22:29   ` [RFC PATCH v2 11/12] mtd: rawnand: ams-delta: Use GPIO API bitmap extension Janusz Krzysztofik
2018-08-06 22:29   ` [RFC PATCH v2 12/12] gpiolib: Add fast processing path to bitmap API functions Janusz Krzysztofik
2018-08-06 23:43     ` Linus Walleij
2018-08-07 17:29       ` Janusz Krzysztofik
2018-08-07 17:47         ` Boris Brezillon
2018-08-10 10:55           ` Linus Walleij
2018-08-13 22:34   ` [PATCH v3 0/7] mtd: rawnand: ams-delta: Use GPIO API for data I/O Janusz Krzysztofik
2018-08-13 22:34     ` [PATCH v3 1/7] mtd: rawnand: ams-delta: show parent device in sysfs Janusz Krzysztofik
2018-08-13 22:34     ` [PATCH v3 2/7] mtd: rawnand: ams-delta: Use private structure Janusz Krzysztofik
2018-08-13 22:34     ` [PATCH v3 3/7] ARM: OMAP1: ams-delta: Provide GPIO lookup table for NAND data port Janusz Krzysztofik
2018-08-13 22:34     ` [PATCH v3 4/7] mtd: rawnand: ams-delta: request data port GPIO resource Janusz Krzysztofik
2018-08-13 22:34     ` [PATCH v3 5/7] mtd: rawnand: ams-delta: Set port direction when needed Janusz Krzysztofik
2018-08-16  7:30       ` Boris Brezillon
2018-08-13 22:34     ` [PATCH v3 6/7] mtd: rawnand: ams-delta: Simplify pointer resolution on read/write Janusz Krzysztofik
2018-08-13 22:34     ` [PATCH v3 7/7] mtd: rawnand: ams-delta: use GPIO API for data I/O Janusz Krzysztofik
2018-08-16  7:39       ` Boris Brezillon
2018-08-20 21:39     ` [PATCH v4 0/3] mtd: rawnand: ams-delta: Cleanups and optimizations Janusz Krzysztofik
2018-08-20 21:39       ` [PATCH v4 1/3] mtd: rawnand: ams-delta: show parent device in sysfs Janusz Krzysztofik
2018-08-20 21:39       ` [PATCH v4 2/3] mtd: rawnand: ams-delta: Use private structure Janusz Krzysztofik
2018-08-20 21:39       ` [PATCH v4 3/3] mtd: rawnand: ams-delta: Set port direction when needed Janusz Krzysztofik
2018-08-24 12:57         ` Boris Brezillon
2018-09-05  6:47       ` [PATCH v4 0/3] mtd: rawnand: ams-delta: Cleanups and optimizations Miquel Raynal
2018-09-05 20:53         ` Janusz Krzysztofik
2018-09-07 16:45           ` Tony Lindgren
2018-09-19  8:46             ` Miquel Raynal
2018-09-19 22:52       ` [PATCH v5 " Janusz Krzysztofik
2018-09-19 22:52         ` [PATCH v5 1/3] mtd: rawnand: ams-delta: show parent device in sysfs Janusz Krzysztofik
2018-09-19 22:52         ` [PATCH v5 2/3] mtd: rawnand: ams-delta: Use private structure Janusz Krzysztofik
2018-09-19 22:52         ` [PATCH v5 3/3] mtd: rawnand: ams-delta: Set port direction when needed Janusz Krzysztofik
2018-09-23 11:35         ` [PATCH v5 0/3] mtd: rawnand: ams-delta: Cleanups and optimizations Miquel Raynal
2018-08-20 23:43     ` [RFC RFT PATCH 0/4] gpiolib: speed up GPIO array processing Janusz Krzysztofik
2018-08-20 23:43       ` [RFC RFT PATCH v4 1/4] gpiolib: Pass bitmaps, not integer arrays, to get/set array Janusz Krzysztofik
2018-08-21  6:49         ` Peter Rosin
2018-08-21  6:52           ` Peter Rosin
2018-08-29 12:03         ` Miguel Ojeda
2018-08-29 18:01           ` Janusz Krzysztofik
2018-08-20 23:43       ` [RFC RFT PATCH v4 2/4] gpiolib: Identify arrays matching GPIO hardware Janusz Krzysztofik
2018-08-20 23:43       ` [RFC RFT PATCH v4 3/4] gpiolib: Pass array info to get/set array functions Janusz Krzysztofik
2018-08-20 23:43       ` [RFC RFT PATCH v4 4/4] gpiolib: Implement fast processing path in get/set array Janusz Krzysztofik
2018-08-29  9:06       ` [RFC RFT PATCH 0/4] gpiolib: speed up GPIO array processing Linus Walleij
2018-08-29 18:16         ` Janusz Krzysztofik
2018-08-29 10:19       ` Ulf Hansson
2018-08-29 20:48       ` [PATH v5 " Janusz Krzysztofik
2018-08-29 20:48         ` [PATCH v5 1/4] gpiolib: Pass bitmaps, not integer arrays, to get/set array Janusz Krzysztofik
2018-08-30  4:30           ` Peter Rosin
2018-08-30  7:40           ` Geert Uytterhoeven
2018-08-30 11:10           ` Miguel Ojeda
2018-08-30 15:35             ` David Laight
2018-09-02 10:19             ` Janusz Krzysztofik
2018-08-31  9:14           ` Linus Walleij
2018-08-29 20:48         ` [PATCH v5 2/4] gpiolib: Identify arrays matching GPIO hardware Janusz Krzysztofik
2018-08-29 20:48         ` [PATCH v5 3/4] gpiolib: Pass array info to get/set array functions Janusz Krzysztofik
2018-08-29 20:49         ` [PATCH v5 4/4] gpiolib: Implement fast processing path in get/set array Janusz Krzysztofik
2018-08-31 22:56         ` [PATH v6 0/4] gpiolib: speed up GPIO array processing Janusz Krzysztofik
2018-08-31 22:56           ` [PATCH v6 1/4] gpiolib: Pass bitmaps, not integer arrays, to get/set array Janusz Krzysztofik
2018-09-01  0:23             ` Peter Rosin
2018-09-04 15:28             ` kbuild test robot
2018-09-04 15:28             ` kbuild test robot
2018-08-31 22:56           ` [PATCH v6 2/4] gpiolib: Identify arrays matching GPIO hardware Janusz Krzysztofik
2018-08-31 22:56           ` [PATCH v6 3/4] gpiolib: Pass array info to get/set array functions Janusz Krzysztofik
2018-09-04 15:27             ` kbuild test robot
2018-08-31 22:56           ` [PATCH v6 4/4] gpiolib: Implement fast processing path in get/set array Janusz Krzysztofik
2018-09-02 12:01           ` [PATCH v7 0/4] gpiolib: speed up GPIO array processing Janusz Krzysztofik
2018-09-02 12:01             ` [PATCH v7 1/4] gpiolib: Pass bitmaps, not integer arrays, to get/set array Janusz Krzysztofik
2018-09-02 13:21               ` Lukas Wunner
2018-09-03  4:31               ` Matthew Wilcox
2018-09-03 14:24                 ` Geert Uytterhoeven
2018-09-03 15:07               ` Geert Uytterhoeven
2018-09-04 15:29               ` kbuild test robot
2018-09-05  6:46               ` kbuild test robot
2018-09-02 12:01             ` [PATCH v7 2/4] gpiolib: Identify arrays matching GPIO hardware Janusz Krzysztofik
2018-09-02 12:01             ` [PATCH v7 3/4] gpiolib: Pass array info to get/set array functions Janusz Krzysztofik
2018-09-03 14:21               ` Geert Uytterhoeven
2018-09-04 15:23               ` kbuild test robot
2018-09-05  7:11               ` kbuild test robot
2018-09-02 12:01             ` [PATCH v7 4/4] gpiolib: Implement fast processing path in get/set array Janusz Krzysztofik
     [not found]               ` <CGME20180920101151eucas1p221f5a1715b8556bb9d99bf08fe09ce6f@eucas1p2.samsung.com>
2018-09-20 10:11                 ` Marek Szyprowski
2018-09-20 15:48                   ` Janusz Krzysztofik
2018-09-20 16:21                     ` Janusz Krzysztofik
2018-09-21  8:18                       ` Marek Szyprowski
2018-09-21 10:51                         ` Janusz Krzysztofik
2018-09-21 11:26                           ` Janusz Krzysztofik
2018-09-21 14:14                           ` Marek Szyprowski
2018-09-23 10:43                             ` Janusz Krzysztofik
2018-09-23 23:53                               ` [PATCH 0/2] gpiolib: Fix issues introduced by fast bitmap processing path Janusz Krzysztofik
2018-09-23 23:53                                 ` [PATCH 1/2] gpiolib: Fix missing updates of bitmap index Janusz Krzysztofik
2018-09-24  8:11                                   ` Linus Walleij
2018-09-29 12:20                                   ` [PATCH] gpiolib: Fix incorrect use of find_next_zero_bit() Janusz Krzysztofik
2018-10-01  6:46                                     ` Marek Szyprowski
2018-10-01  9:37                                     ` Linus Walleij
2018-09-23 23:53                                 ` [PATCH 2/2] gpiolib: Fix array members of same chip processed separately Janusz Krzysztofik
2018-09-24  8:13                                   ` Linus Walleij
2018-09-24  9:43                                 ` [PATCH 0/2] gpiolib: Fix issues introduced by fast bitmap processing path Marek Szyprowski
2018-09-24 11:08                                   ` Janusz Krzysztofik
2018-09-24 11:38                                     ` Marek Szyprowski
2018-09-24 14:18                                       ` Janusz Krzysztofik
2018-09-25 19:24                                         ` [PATCH] mmc: pwrseq_simple: Fix incorrect handling of GPIO bitmap Janusz Krzysztofik
2018-09-26  7:50                                           ` Linus Walleij
2018-09-26  8:14                                           ` Marek Szyprowski
     [not found]                                           ` <7a4906d9-ffb1-f2af-07e7-d5815dcd0d8c@samsung.com>
2018-09-26  8:27                                             ` Marek Szyprowski
2018-10-12 19:09                                           ` [RFT PATCH] " Janusz Krzysztofik
2018-10-15  8:32                                             ` Marek Szyprowski
2018-10-15 10:29                                             ` Ulf Hansson
2018-10-15 14:27                                             ` Linus Walleij
2018-09-20 18:05                     ` [PATCH v7 4/4] gpiolib: Implement fast processing path in get/set array Dan Carpenter
2018-09-20 15:49                   ` Linus Walleij
2018-09-05 21:50             ` [PATCH v8 0/4] gpiolib: speed up GPIO array processing Janusz Krzysztofik
2018-09-05 21:50               ` [PATCH v8 1/4] gpiolib: Pass bitmaps, not integer arrays, to get/set array Janusz Krzysztofik
2018-09-05 21:50               ` [PATCH v8 2/4] gpiolib: Identify arrays matching GPIO hardware Janusz Krzysztofik
2018-09-05 21:50               ` [PATCH v8 3/4] gpiolib: Pass array info to get/set array functions Janusz Krzysztofik
2018-09-05 21:50               ` [PATCH v8 4/4] gpiolib: Implement fast processing path in get/set array Janusz Krzysztofik
2018-09-13  9:22               ` [PATCH v8 0/4] gpiolib: speed up GPIO array processing Linus Walleij
2018-09-19 18:08                 ` Linus Walleij
2018-11-21 11:08     ` Subject: [PATCH v4 0/4] mtd: rawnand: ams-delta: Use GPIO API for data I/O Janusz Krzysztofik
2018-11-21 11:08       ` [PATCH v4 1/4] ARM: OMAP1: ams-delta: Provide GPIO lookup table for NAND data port Janusz Krzysztofik
2018-11-23 17:02         ` Tony Lindgren
2018-11-21 11:08       ` [PATCH v4 2/4] mtd: rawnand: ams-delta: Request data port GPIO resource Janusz Krzysztofik
2018-11-21 11:08       ` [PATCH v4 3/4] mtd: rawnand: ams-delta: Use GPIO API for data I/O Janusz Krzysztofik
2018-11-21 14:53         ` Boris Brezillon
2018-11-21 11:08       ` [PATCH v4 4/4] ARM: OMAP1: ams-delta: Drop obsolete NAND resources Janusz Krzysztofik
2018-11-21 14:56       ` Subject: [PATCH v4 0/4] mtd: rawnand: ams-delta: Use GPIO API for data I/O Boris Brezillon
2018-11-23 17:03         ` Tony Lindgren
2018-12-07  8:04           ` Miquel Raynal
2018-12-07 16:10             ` Tony Lindgren

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