The patch below does not apply to the 6.2-stable tree. If someone wants it applied there, or to any other stable or longterm tree, then please email the backport, including the original git commit id to <stable@xxxxxxxxxxxxxxx>. To reproduce the conflict and resubmit, you may use the following commands: git fetch https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git/ linux-6.2.y git checkout FETCH_HEAD git cherry-pick -x 4199c1719e24e73be0acc8b0146fc31ad8af9771 # <resolve conflicts, build, test, etc.> git commit -s git send-email --to '<stable@xxxxxxxxxxxxxxx>' --in-reply-to '2023050757-reactor-skipping-b9ed@gregkh' --subject-prefix 'PATCH 6.2.y' HEAD^.. Possible dependencies: 4199c1719e24 ("mtd: spi-nor: spansion: Enable JFFS2 write buffer for Infineon s25hx SEMPER flash") thanks, greg k-h ------------------ original commit in Linus's tree ------------------ >From 4199c1719e24e73be0acc8b0146fc31ad8af9771 Mon Sep 17 00:00:00 2001 From: Takahiro Kuwano <Takahiro.Kuwano@xxxxxxxxxxxx> Date: Thu, 6 Apr 2023 15:17:45 +0900 Subject: [PATCH] mtd: spi-nor: spansion: Enable JFFS2 write buffer for Infineon s25hx SEMPER flash Infineon(Cypress) SEMPER NOR flash family has on-die ECC and its program granularity is 16-byte ECC data unit size. JFFS2 supports write buffer mode for ECC'd NOR flash. Provide a way to clear the MTD_BIT_WRITEABLE flag in order to enable JFFS2 write buffer mode support. Fixes: b6b23833fc42 ("mtd: spi-nor: spansion: Add s25hl-t/s25hs-t IDs and fixups") Suggested-by: Tudor Ambarus <tudor.ambarus@xxxxxxxxxx> Signed-off-by: Takahiro Kuwano <Takahiro.Kuwano@xxxxxxxxxxxx> Cc: stable@xxxxxxxxxxxxxxx Link: https://lore.kernel.org/r/a1cc128e094db4ec141f85bd380127598dfef17e.1680760742.git.Takahiro.Kuwano@xxxxxxxxxxxx Signed-off-by: Tudor Ambarus <tudor.ambarus@xxxxxxxxxx> diff --git a/drivers/mtd/spi-nor/spansion.c b/drivers/mtd/spi-nor/spansion.c index 19b1436f36ea..4d0cc10e3d85 100644 --- a/drivers/mtd/spi-nor/spansion.c +++ b/drivers/mtd/spi-nor/spansion.c @@ -442,13 +442,10 @@ static void s25hx_t_post_sfdp_fixup(struct spi_nor *nor) static void s25hx_t_late_init(struct spi_nor *nor) { - struct spi_nor_flash_parameter *params = nor->params; - /* Fast Read 4B requires mode cycles */ - params->reads[SNOR_CMD_READ_FAST].num_mode_clocks = 8; + nor->params->reads[SNOR_CMD_READ_FAST].num_mode_clocks = 8; - /* The writesize should be ECC data unit size */ - params->writesize = 16; + cypress_nor_ecc_init(nor); } static struct spi_nor_fixups s25hx_t_fixups = {
