ASoC: Intel: Skylake: Remove second shim read in register_poll

No need to read the register again if the value read has already matched
the target during the loop. So remove the second shim read.

Signed-off-by: Subhransu S. Prusty <subhransu.s.prusty@intel.com>
Signed-off-by: Guneshwor Singh <guneshwor.o.singh@intel.com>
Acked-by: Vinod Koul <vinod.koul@intel.com>
Signed-off-by: Mark Brown <broonie@kernel.org>

diff --git a/sound/soc/intel/common/sst-dsp.c b/sound/soc/intel/common/sst-dsp.c
index 11c0805393ff96c50b03b2b29fb70a32b53fa3dc..fd82f4b1d4a07bc2b289a27b9edf4a4610606587 100644 (file)
--- a/sound/soc/intel/common/sst-dsp.c
+++ b/sound/soc/intel/common/sst-dsp.c
@@ -269,7 +269,7 @@ int sst_dsp_register_poll(struct sst_dsp *ctx, u32 offset, u32 mask,
         */
 
        timeout = jiffies + msecs_to_jiffies(time);
-       while (((sst_dsp_shim_read_unlocked(ctx, offset) & mask) != target)
+       while ((((reg = sst_dsp_shim_read_unlocked(ctx, offset)) & mask) != target)
                && time_before(jiffies, timeout)) {
                k++;
                if (k > 10)
@@ -278,8 +278,6 @@ int sst_dsp_register_poll(struct sst_dsp *ctx, u32 offset, u32 mask,
                usleep_range(s, 2*s);
        }
 
-       reg = sst_dsp_shim_read_unlocked(ctx, offset);
-
        if ((reg & mask) == target) {
                dev_dbg(ctx->dev, "FW Poll Status: reg=%#x %s successful\n",
                                        reg, operation);