From: Linus Walleij Date: Sat, 26 Jan 2019 13:10:55 +0000 (+0100) Subject: mtd: rawnand: fsmc: Reset NAND timings on resume() X-Git-Url: http://git.lede-project.org./?a=commitdiff_plain;h=30c72ab142a2d1a49d5fbd4014864cec07cd7a65;p=openwrt%2Fstaging%2Fblogic.git mtd: rawnand: fsmc: Reset NAND timings on resume() When we go through a suspend/resume cycle the NAND timings and other settings may have been lost so reset the chip to bring it up in a known working state. The FSMC only supports single CS chips so we only need to call nand_reset(chip, 0). Cc: Miquel Raynal Signed-off-by: Linus Walleij Signed-off-by: Miquel Raynal --- diff --git a/drivers/mtd/nand/raw/fsmc_nand.c b/drivers/mtd/nand/raw/fsmc_nand.c index 325b4414dccc..9dc0e5b648b1 100644 --- a/drivers/mtd/nand/raw/fsmc_nand.c +++ b/drivers/mtd/nand/raw/fsmc_nand.c @@ -1185,6 +1185,7 @@ static int fsmc_nand_resume(struct device *dev) clk_prepare_enable(host->clk); if (host->dev_timings) fsmc_nand_setup(host, host->dev_timings); + nand_reset(&host->nand, 0); } return 0;