linux-kernel - [PATCH] nvmem: core: Handle shift bits in-place if cell->nbits is non-zero

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Message-ID: <1442569855.13652.1.camel@ingics.com>
Date:	Fri, 18 Sep 2015 17:50:55 +0800
From:	Axel Lin <axel.lin@...ics.com>
To:	Srinivas Kandagatla <srinivas.kandagatla@...aro.org>,
	Maxime Ripard <maxime.ripard@...e-electrons.com>
Cc:	linux-kernel@...r.kernel.org
Subject: [PATCH] nvmem: core: Handle shift bits in-place if cell->nbits is
 non-zero

It's pointless to test (cell->bit_offset || cell->bit_offset).
nvmem_shift_read_buffer_in_place() should be called when
(cell->bit_offset || cell->nbits).

Signed-off-by: Axel Lin <axel.lin@...ics.com>
---
 drivers/nvmem/core.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/nvmem/core.c b/drivers/nvmem/core.c
index d3c6676..c39723a 100644
--- a/drivers/nvmem/core.c
+++ b/drivers/nvmem/core.c
@@ -825,7 +825,7 @@ static int __nvmem_cell_read(struct nvmem_device *nvmem,
 		return rc;
 
 	/* shift bits in-place */
-	if (cell->bit_offset || cell->bit_offset)
+	if (cell->bit_offset || cell->nbits)
 		nvmem_shift_read_buffer_in_place(cell, buf);
 
 	*len = cell->bytes;
-- 
2.1.4



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