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| author | Chris Metcalf <cmetcalf@tilera.com> | 2010-08-13 19:59:15 -0400 |
|---|---|---|
| committer | Chris Metcalf <cmetcalf@tilera.com> | 2010-08-13 19:59:15 -0400 |
| commit | 7d72e6fa56c4100b9669efe0044f77ed9eb785a1 (patch) | |
| tree | 5e90bf4969809a1ab20b97432b85be20ccfaa1f4 /drivers/mfd/ab8500-spi.c | |
| parent | ba00376b0b13f234d839541a7b36a5bf5c2a4036 (diff) | |
| parent | 2be1f3a73dd02e38e181cf5abacb3d45a6a2d6b8 (diff) | |
| download | lwn-7d72e6fa56c4100b9669efe0044f77ed9eb785a1.tar.gz lwn-7d72e6fa56c4100b9669efe0044f77ed9eb785a1.zip | |
Merge branch 'master' into for-linus
Diffstat (limited to 'drivers/mfd/ab8500-spi.c')
| -rw-r--r-- | drivers/mfd/ab8500-spi.c | 7 |
1 files changed, 6 insertions, 1 deletions
diff --git a/drivers/mfd/ab8500-spi.c b/drivers/mfd/ab8500-spi.c index b81d4f768ef6..e1c8b62b086d 100644 --- a/drivers/mfd/ab8500-spi.c +++ b/drivers/mfd/ab8500-spi.c @@ -68,7 +68,12 @@ static int ab8500_spi_read(struct ab8500 *ab8500, u16 addr) ret = spi_sync(spi, &msg); if (!ret) - ret = ab8500->rx_buf[0]; + /* + * Only the 8 lowermost bytes are + * defined with value, the rest may + * vary depending on chip/board noise. + */ + ret = ab8500->rx_buf[0] & 0xFFU; return ret; } |