[RESEND,2/4] mtd: spi-nor: mtk-quadspi: use ofpart for parsing partitions

Commit Message

Ryder Lee Nov. 29, 2018, 6:29 a.m. UTC

From: Guochun Mao <[e-mail]>

Replace mtd_device_register with mtd_device_parse_register for
parsing partitions and add ofpart support.

Signed-off-by: Guochun Mao <[e-mail]>
Tested-by: Ryder Lee <[e-mail]>
---
 drivers/mtd/spi-nor/mtk-quadspi.c | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

Comments

Boris Brezillon Dec. 6, 2018, 2:36 p.m. UTC | #1

On Thu, 29 Nov 2018 14:29:54 +0800
Ryder Lee <[e-mail]> wrote:

> From: Guochun Mao <[e-mail]>
> 
> Replace mtd_device_register with mtd_device_parse_register for
> parsing partitions and add ofpart support.

What's the problem with the default partition parser table [1]?

[1]https://elixir.bootlin.com/linux/latest/source/drivers/mtd/mtdpart.c#L793

Guochun Mao Dec. 7, 2018, 5:43 a.m. UTC | #2

On Thu, 2018-12-06 at 15:36 +0100, Boris Brezillon wrote:
> On Thu, 29 Nov 2018 14:29:54 +0800
> Ryder Lee <[e-mail]> wrote:
> 
> > From: Guochun Mao <[e-mail]>
> > 
> > Replace mtd_device_register with mtd_device_parse_register for
> > parsing partitions and add ofpart support.
> 
> What's the problem with the default partition parser table [1]?
> 
> [1]https://elixir.bootlin.com/linux/latest/source/drivers/mtd/mtdpart.c#L793

No problem here.
This patch can be dropped.
Please help review others.

Thanks.

Patch

diff --git a/drivers/mtd/spi-nor/mtk-quadspi.c b/drivers/mtd/spi-nor/mtk-quadspi.c
index 5442993..2278677 100644
--- a/drivers/mtd/spi-nor/mtk-quadspi.c
+++ b/drivers/mtd/spi-nor/mtk-quadspi.c
@@ -118,6 +118,8 @@  struct mtk_nor {
 	struct clk *nor_clk;
 };
 
+static const char * const probes[] = { "ofpart", NULL };
+
 static void mtk_nor_set_read_mode(struct mtk_nor *mtk_nor)
 {
 	struct spi_nor *nor = &mtk_nor->nor;
@@ -457,7 +459,7 @@  static int mtk_nor_init(struct mtk_nor *mtk_nor,
 	if (ret)
 		return ret;
 
-	return mtd_device_register(&nor->mtd, NULL, 0);
+	return mtd_device_parse_register(&nor->mtd, probes, NULL, NULL, 0);
 }
 
 static int mtk_nor_drv_probe(struct platform_device *pdev)