From: Miquel Raynal Date: Thu, 12 Jan 2023 09:36:36 +0000 (+0100) Subject: mtd: rawnand: Prepare the late addition of supported operation checks X-Git-Url: http://git.maquefel.me/?a=commitdiff_plain;h=b1f9ffbfda07acee9bdbc77416facf606647b523;p=linux.git mtd: rawnand: Prepare the late addition of supported operation checks Add an empty envelope just to show how to add additional checks for new operations. This is going to be used for sequential cached reads, which require the page size to be known (and the discovery to be over), hence the "late" designation. Signed-off-by: Miquel Raynal Tested-by: Liao Jaime Link: https://lore.kernel.org/linux-mtd/20230112093637.987838-3-miquel.raynal@bootlin.com --- diff --git a/drivers/mtd/nand/raw/nand_base.c b/drivers/mtd/nand/raw/nand_base.c index 7b87e2e704845..e1f74e2fa4158 100644 --- a/drivers/mtd/nand/raw/nand_base.c +++ b/drivers/mtd/nand/raw/nand_base.c @@ -5009,6 +5009,14 @@ static void rawnand_early_check_supported_ops(struct nand_chip *chip) rawnand_check_data_only_read_support(chip); } +static void rawnand_late_check_supported_ops(struct nand_chip *chip) +{ + /* The supported_op fields should not be set by individual drivers */ + + if (!nand_has_exec_op(chip)) + return; +} + /* * Get the flash and manufacturer id and lookup if the type is supported. */ @@ -6345,6 +6353,8 @@ static int nand_scan_tail(struct nand_chip *chip) goto err_free_interface_config; } + rawnand_late_check_supported_ops(chip); + /* * Look for secure regions in the NAND chip. These regions are supposed * to be protected by a secure element like Trustzone. So the read/write