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>

diff --git a/drivers/ssb/driver_chipcommon_pmu.c b/drivers/ssb/driver_chipcommon_pmu.c
index 09428412139e399979537da2e6272eda827a8757..c5352ea4821ea0df593c7043ac911ee891f103b0 100644 (file)
--- 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);