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authorJack Pham <jackp@codeaurora.org>2016-04-14 23:37:26 -0700
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>2016-05-18 17:06:48 -0700
commit4e7e3f54cae7a6ea567c09d18c35bcc468b564c3 (patch)
treedee9b0a7497e9367959295b68eb45898ceef90be /drivers/base/regmap
parent1fba064f789e053be80f1ee38c70abde71f584e2 (diff)
downloadlinux-linaro-stable-4e7e3f54cae7a6ea567c09d18c35bcc468b564c3.tar.gz
regmap: spmi: Fix regmap_spmi_ext_read in multi-byte case
commit dec8e8f6e6504aa3496c0f7cc10c756bb0e10f44 upstream. Specifically for the case of reads that use the Extended Register Read Long command, a multi-byte read operation is broken up into 8-byte chunks. However the call to spmi_ext_register_readl() is incorrectly passing 'val_size', which if greater than 8 will always fail. The argument should instead be 'len'. Fixes: c9afbb05a9ff ("regmap: spmi: support base and extended register spaces") Signed-off-by: Jack Pham <jackp@codeaurora.org> Signed-off-by: Mark Brown <broonie@kernel.org> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'drivers/base/regmap')
-rw-r--r--drivers/base/regmap/regmap-spmi.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/drivers/base/regmap/regmap-spmi.c b/drivers/base/regmap/regmap-spmi.c
index 7e58f6560399..4a36e415e938 100644
--- a/drivers/base/regmap/regmap-spmi.c
+++ b/drivers/base/regmap/regmap-spmi.c
@@ -142,7 +142,7 @@ static int regmap_spmi_ext_read(void *context,
while (val_size) {
len = min_t(size_t, val_size, 8);
- err = spmi_ext_register_readl(context, addr, val, val_size);
+ err = spmi_ext_register_readl(context, addr, val, len);
if (err)
goto err_out;