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authorHauke Mehrtens <hauke@hauke-m.de>2015-06-07 01:52:51 +0200
committerRalf Baechle <ralf@linux-mips.org>2015-06-09 16:38:06 +0200
commit36f6ea2b21cce09f4f85a8fca007aa6a927804f7 (patch)
treeaed1261db4df68165c459d91dcd72a062dcca213 /drivers
parentd7b631419b3d230a4d383a8c5f5f294f3bc564f9 (diff)
downloadlinux-36f6ea2b21cce09f4f85a8fca007aa6a927804f7.tar.gz
SSB: Fix handling of ssb_pmu_get_alp_clock()
Dan Carpenter reported missing brackets which resulted in reading a
wrong crystalfreq value. I also noticed that the result of this
function is ignored.

Reported-By: Dan Carpenter <dan.carpenter@oracle.com>
Signed-off-by: Hauke Mehrtens <hauke@hauke-m.de>
Signed-off-by: Michael Buesch <m@bues.ch>
Cc: davem@davemloft.net
Cc: netdev@vger.kernel.org
Cc: linux-mips@linux-mips.org
Patchwork: https://patchwork.linux-mips.org/patch/10536/
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
Diffstat (limited to 'drivers')
-rw-r--r--drivers/ssb/driver_chipcommon_pmu.c6
1 files changed, 3 insertions, 3 deletions
diff --git a/drivers/ssb/driver_chipcommon_pmu.c b/drivers/ssb/driver_chipcommon_pmu.c
index 09428412139e..c5352ea4821e 100644
--- a/drivers/ssb/driver_chipcommon_pmu.c
+++ b/drivers/ssb/driver_chipcommon_pmu.c
@@ -621,8 +621,8 @@ static u32 ssb_pmu_get_alp_clock_clk0(struct ssb_chipcommon *cc)
 	u32 crystalfreq;
 	const struct pmu0_plltab_entry *e = NULL;
 
-	crystalfreq = chipco_read32(cc, SSB_CHIPCO_PMU_CTL) &
-		      SSB_CHIPCO_PMU_CTL_XTALFREQ >> SSB_CHIPCO_PMU_CTL_XTALFREQ_SHIFT;
+	crystalfreq = (chipco_read32(cc, SSB_CHIPCO_PMU_CTL) &
+		       SSB_CHIPCO_PMU_CTL_XTALFREQ)  >> SSB_CHIPCO_PMU_CTL_XTALFREQ_SHIFT;
 	e = pmu0_plltab_find_entry(crystalfreq);
 	BUG_ON(!e);
 	return e->freq * 1000;
@@ -634,7 +634,7 @@ u32 ssb_pmu_get_alp_clock(struct ssb_chipcommon *cc)
 
 	switch (bus->chip_id) {
 	case 0x5354:
-		ssb_pmu_get_alp_clock_clk0(cc);
+		return ssb_pmu_get_alp_clock_clk0(cc);
 	default:
 		ssb_err("ERROR: PMU alp clock unknown for device %04X\n",
 			bus->chip_id);