diff mbox series

[01/11] soundwire: intel: cleanup definition of LCOUNT

Message ID 20220823053846.2684635-2-yung-chuan.liao@linux.intel.com
State New
Headers show
Series soundwire: register cleanups | expand

Commit Message

Liao, Bard Aug. 23, 2022, 5:38 a.m. UTC 
From: Pierre-Louis Bossart <pierre-louis.bossart@linux.intel.com>

Add definition in header file rather than hidden in code.

Signed-off-by: Pierre-Louis Bossart <pierre-louis.bossart@linux.intel.com>
Reviewed-by: Rander Wang <rander.wang@intel.com>
Signed-off-by: Bard Liao <yung-chuan.liao@linux.intel.com>
---
 drivers/soundwire/intel.c           | 2 +-
 drivers/soundwire/intel_init.c      | 2 +-
 include/linux/soundwire/sdw_intel.h | 3 +++
 3 files changed, 5 insertions(+), 2 deletions(-)
diff mbox series

Patch

diff --git a/drivers/soundwire/intel.c b/drivers/soundwire/intel.c
index 0c6e674dbf85..c37121356e06 100644
--- a/drivers/soundwire/intel.c
+++ b/drivers/soundwire/intel.c
@@ -138,7 +138,7 @@  static int intel_reg_show(struct seq_file *s_file, void *data)
 	if (!buf)
 		return -ENOMEM;
 
-	links = intel_readl(s, SDW_SHIM_LCAP) & GENMASK(2, 0);
+	links = intel_readl(s, SDW_SHIM_LCAP) & SDW_SHIM_LCAP_LCOUNT_MASK;
 
 	ret = scnprintf(buf, RD_BUF, "Register  Value\n");
 	ret += scnprintf(buf + ret, RD_BUF - ret, "\nShim\n");
diff --git a/drivers/soundwire/intel_init.c b/drivers/soundwire/intel_init.c
index 824f4f32d4dc..d091513919df 100644
--- a/drivers/soundwire/intel_init.c
+++ b/drivers/soundwire/intel_init.c
@@ -306,7 +306,7 @@  sdw_intel_startup_controller(struct sdw_intel_ctx *ctx)
 
 	/* Check SNDWLCAP.LCOUNT */
 	caps = ioread32(ctx->mmio_base + ctx->shim_base + SDW_SHIM_LCAP);
-	caps &= GENMASK(2, 0);
+	caps &= SDW_SHIM_LCAP_LCOUNT_MASK;
 
 	/* Check HW supported vs property value */
 	if (caps < ctx->count) {
diff --git a/include/linux/soundwire/sdw_intel.h b/include/linux/soundwire/sdw_intel.h
index ec16ae49e6a4..49a3c265529b 100644
--- a/include/linux/soundwire/sdw_intel.h
+++ b/include/linux/soundwire/sdw_intel.h
@@ -15,7 +15,10 @@ 
 #define SDW_LINK_SIZE			0x10000
 
 /* Intel SHIM Registers Definition */
+/* LCAP */
 #define SDW_SHIM_LCAP			0x0
+#define SDW_SHIM_LCAP_LCOUNT_MASK	GENMASK(2, 0)
+
 #define SDW_SHIM_LCTL			0x4
 #define SDW_SHIM_IPPTR			0x8
 #define SDW_SHIM_SYNC			0xC