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Message-Id: <1464112523-3701-5-git-send-email-kamal@canonical.com> Date: Tue, 24 May 2016 10:54:34 -0700 From: Kamal Mostafa <kamal@...onical.com> To: linux-kernel@...r.kernel.org, stable@...r.kernel.org, kernel-team@...ts.ubuntu.com Cc: Jack Pham <jackp@...eaurora.org>, Mark Brown <broonie@...nel.org>, Kamal Mostafa <kamal@...onical.com> Subject: [PATCH 4.2.y-ckt 04/53] regmap: spmi: Fix regmap_spmi_ext_read in multi-byte case 4.2.8-ckt11 -stable review patch. If anyone has any objections, please let me know. ---8<------------------------------------------------------------ From: Jack Pham <jackp@...eaurora.org> 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@...eaurora.org> Signed-off-by: Mark Brown <broonie@...nel.org> Signed-off-by: Kamal Mostafa <kamal@...onical.com> --- drivers/base/regmap/regmap-spmi.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/base/regmap/regmap-spmi.c b/drivers/base/regmap/regmap-spmi.c index d7026dc..b394aae 100644 --- a/drivers/base/regmap/regmap-spmi.c +++ b/drivers/base/regmap/regmap-spmi.c @@ -153,7 +153,7 @@ 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; -- 2.7.4
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