mirrors/linux-stable
1
0
Fork 0
mirror of https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git synced 2024-09-28 13:22:57 +00:00
Code Issues Releases Wiki Activity

mtd: rawnand: Prepare the late addition of supported operation checks

Browse source 
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 <miquel.raynal@bootlin.com>
Tested-by: Liao Jaime <jaimeliao.tw@gmail.com>
Link: https://lore.kernel.org/linux-mtd/20230112093637.987838-3-miquel.raynal@bootlin.com
This commit is contained in:
Miquel Raynal 2023-01-12 10:36:36 +01:00
parent 9f820fc065
commit b1f9ffbfda
1 changed files with 10 additions and 0 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

10
drivers/mtd/nand/raw/nand_base.c
View file

@ -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