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| author |   Tom Rini <trini@konsulko.com> | 2017-12-19 15:07:39 -0500 |
|---|---|---|
| committer | Tom Rini <trini@konsulko.com> | 2017-12-19 15:07:39 -0500 |
| commit | 9ae3b81724f87dcc1f5cbd618c472e0cf79b2791 (patch) | |
| tree | d3d1e6ac479ba64a78dcf16e521898a44ed08878 /meta-rcar-gen3-adas/recipes-kernel/linux/linux-renesas/0001-spi-sh-msiof-fixes.patch | |
| parent | 592c4aca65cc41ea9e5757084ae1d488d2bbd8b0 (diff) | |
| parent | eb675727a6bfdee2ba7dd36644403163f9d905e2 (diff) | |
Merge branch 'pyro' into eel
Diffstat (limited to 'meta-rcar-gen3-adas/recipes-kernel/linux/linux-renesas/0001-spi-sh-msiof-fixes.patch')
| -rw-r--r-- | meta-rcar-gen3-adas/recipes-kernel/linux/linux-renesas/0001-spi-sh-msiof-fixes.patch | 33 |
1 files changed, 33 insertions, 0 deletions
diff --git a/meta-rcar-gen3-adas/recipes-kernel/linux/linux-renesas/0001-spi-sh-msiof-fixes.patch b/meta-rcar-gen3-adas/recipes-kernel/linux/linux-renesas/0001-spi-sh-msiof-fixes.patch new file mode 100644 index 0000000..d8806ba --- /dev/null +++ b/meta-rcar-gen3-adas/recipes-kernel/linux/linux-renesas/0001-spi-sh-msiof-fixes.patch @@ -0,0 +1,33 @@ +From 32db8cc989d7dfdf0315d286b06234e008e56d7c Mon Sep 17 00:00:00 2001 +From: Vladimir Barinov <vladimir.barinov@cogentembedded.com> +Date: Sun, 15 May 2016 21:53:13 +0300 +Subject: [PATCH] spi: sh-msiof: fixes + +speed up polling of CTR register + +Signed-off-by: Vladimir Barinov <vladimir.barinov@cogentembedded.com> +--- + drivers/spi/spi-sh-msiof.c | 30 ++++++++++++++++++++---------- + 1 file changed, 20 insertions(+), 10 deletions(-) + +diff --git a/drivers/spi/spi-sh-msiof.c b/drivers/spi/spi-sh-msiof.c +index d096f5a..6817304 100644 +--- a/drivers/spi/spi-sh-msiof.c ++++ b/drivers/spi/spi-sh-msiof.c +@@ -228,11 +228,11 @@ static int sh_msiof_modify_ctr_wait(struct sh_msiof_spi_priv *p, + data |= set; + sh_msiof_write(p, CTR, data); + +- for (k = 100; k > 0; k--) { ++ for (k = 1000; k > 0; k--) { + if ((sh_msiof_read(p, CTR) & mask) == set) + break; + +- udelay(10); ++ udelay(1); + } + + return k > 0 ? 0 : -ETIMEDOUT; +-- +1.9.1 + |