[RFC PATCH 02/14] mtd: rawnand: ams-delta: Use struct gpio_nand_platdata
From: Janusz Krzysztofik <jmkrzyszt@gmail.com>
Date: 2020-02-12 00:41:27
Also in:
linux-omap
Subsystem:
memory technology devices (mtd), nand flash subsystem, the rest · Maintainers:
Miquel Raynal, Richard Weinberger, Vignesh Raghavendra, Linus Torvalds
In order to be able to move the hardcoded Amstrad Delta partition info from the driver code to the board file, reuse gpio_nand_platdata structure owned by "gpio-nand" driver and try to obtain information on device partitions from device platform data. Signed-off-by: Janusz Krzysztofik <jmkrzyszt@gmail.com> --- drivers/mtd/nand/raw/ams-delta.c | 12 ++++++++++-- 1 file changed, 10 insertions(+), 2 deletions(-)
diff --git a/drivers/mtd/nand/raw/ams-delta.c b/drivers/mtd/nand/raw/ams-delta.c
index 2501cfe00f43..fbab7cc14607 100644
--- a/drivers/mtd/nand/raw/ams-delta.c
+++ b/drivers/mtd/nand/raw/ams-delta.c@@ -19,6 +19,7 @@ #include <linux/delay.h> #include <linux/gpio/consumer.h> #include <linux/mtd/mtd.h> +#include <linux/mtd/nand-gpio.h> #include <linux/mtd/rawnand.h> #include <linux/mtd/partitions.h> #include <linux/platform_device.h>
@@ -220,12 +221,20 @@ static const struct nand_controller_ops ams_delta_ops = { */ static int ams_delta_init(struct platform_device *pdev) { + struct gpio_nand_platdata *pdata = dev_get_platdata(&pdev->dev); + const struct mtd_partition *partitions = partition_info; + int num_partitions = ARRAY_SIZE(partition_info); struct ams_delta_nand *priv; struct nand_chip *this; struct mtd_info *mtd; struct gpio_descs *data_gpiods; int err = 0; + if (pdata) { + partitions = pdata->parts; + num_partitions = pdata->num_parts; + } + /* Allocate memory for MTD device structure and private data */ priv = devm_kzalloc(&pdev->dev, sizeof(struct ams_delta_nand), GFP_KERNEL);
@@ -326,8 +335,7 @@ static int ams_delta_init(struct platform_device *pdev) return err; /* Register the partitions */ - err = mtd_device_register(mtd, partition_info, - ARRAY_SIZE(partition_info)); + err = mtd_device_register(mtd, partitions, num_partitions); if (err) goto err_nand_cleanup;
--
2.24.1
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