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authorArnd Bergmann <arnd@arndb.de>2018-10-02 10:11:05 +0200
committerArnd Bergmann <arnd@arndb.de>2018-10-02 10:11:12 +0200
commit64d20b774f49b31e9d5ebe413d5c3d37195e9a64 (patch)
treeb510d476ed3e4d87c913060274123ca8ca964446 /drivers/firmware
parent68b679b339e28844d907bf5a82a23479b7dba2dd (diff)
parent579fde69dc1467a033ff44ced75ff368b9d3d072 (diff)
downloadlinux-64d20b774f49b31e9d5ebe413d5c3d37195e9a64.tar.gz
Merge tag 'qcom-drivers-for-4.20' of git://git.kernel.org/pub/scm/linux/kernel/git/agross/linux into next/drivers
Qualcomm ARM Based Driver Updates for v4.20

* Refactor of SCM compatibles and clock requirements
* SMEM cleanup
* Add LLCC EDAC driver
* Fixes for GENI clocks and macros
* Fix includes for llcc-slice and smem
* String overflow fixes for APR and wcnss_ctrl
* Fixup for COMPILE_TEST of qcom driver Kconfigs
* Cleanup of Kconfig depends of rpmh, smd_rpm, smsm, and smp2p
* Add SCM dependencies to SPM and rmtfs-mem

* tag 'qcom-drivers-for-4.20' of git://git.kernel.org/pub/scm/linux/kernel/git/agross/linux: (38 commits)
  soc: qcom: geni: geni_se_clk_freq_match() should always accept multiples
  soc: qcom: geni: Don't ignore clk_round_rate() errors in geni_se_clk_tbl_get()
  soc: qcom: geni: Make version macros simpler
  dt-bindings: firmware: scm: Add MSM8998 and SDM845
  firmware: qcom: scm: Refactor clock handling
  dt-bindings: firmware: scm: Refactor compatibles and clocks
  soc: qcom: smem: a few last cleanups
  soc: qcom: smem: verify partition host ids match
  soc: qcom: smem: small change in global entry loop
  soc: qcom: smem: verify partition offset_free_uncached
  soc: qcom: smem: verify partition header size
  soc: qcom: smem: introduce qcom_smem_partition_header()
  soc: qcom: smem: require order of host ids to match
  soc: qcom: smem: verify both host ids in partition header
  soc: qcom: smem: small refactor in qcom_smem_enumerate_partitions()
  soc: qcom: smem: always ignore partitions with 0 offset or size
  soc: qcom: smem: initialize region struct only when successful
  soc: qcom: smem: rename variable in qcom_smem_get_global()
  drivers: qcom: rpmh-rsc: clear wait_for_compl after use
  soc: qcom: rmtfs-mem: Validate that scm is available
  ...

Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Diffstat (limited to 'drivers/firmware')
-rw-r--r--drivers/firmware/qcom_scm.c74
1 files changed, 42 insertions, 32 deletions
diff --git a/drivers/firmware/qcom_scm.c b/drivers/firmware/qcom_scm.c
index e778af766fae..af4eee86919d 100644
--- a/drivers/firmware/qcom_scm.c
+++ b/drivers/firmware/qcom_scm.c
@@ -525,34 +525,44 @@ static int qcom_scm_probe(struct platform_device *pdev)
 		return ret;
 
 	clks = (unsigned long)of_device_get_match_data(&pdev->dev);
-	if (clks & SCM_HAS_CORE_CLK) {
-		scm->core_clk = devm_clk_get(&pdev->dev, "core");
-		if (IS_ERR(scm->core_clk)) {
-			if (PTR_ERR(scm->core_clk) != -EPROBE_DEFER)
-				dev_err(&pdev->dev,
-					"failed to acquire core clk\n");
+
+	scm->core_clk = devm_clk_get(&pdev->dev, "core");
+	if (IS_ERR(scm->core_clk)) {
+		if (PTR_ERR(scm->core_clk) == -EPROBE_DEFER)
+			return PTR_ERR(scm->core_clk);
+
+		if (clks & SCM_HAS_CORE_CLK) {
+			dev_err(&pdev->dev, "failed to acquire core clk\n");
 			return PTR_ERR(scm->core_clk);
 		}
+
+		scm->core_clk = NULL;
 	}
 
-	if (clks & SCM_HAS_IFACE_CLK) {
-		scm->iface_clk = devm_clk_get(&pdev->dev, "iface");
-		if (IS_ERR(scm->iface_clk)) {
-			if (PTR_ERR(scm->iface_clk) != -EPROBE_DEFER)
-				dev_err(&pdev->dev,
-					"failed to acquire iface clk\n");
+	scm->iface_clk = devm_clk_get(&pdev->dev, "iface");
+	if (IS_ERR(scm->iface_clk)) {
+		if (PTR_ERR(scm->iface_clk) == -EPROBE_DEFER)
+			return PTR_ERR(scm->iface_clk);
+
+		if (clks & SCM_HAS_IFACE_CLK) {
+			dev_err(&pdev->dev, "failed to acquire iface clk\n");
 			return PTR_ERR(scm->iface_clk);
 		}
+
+		scm->iface_clk = NULL;
 	}
 
-	if (clks & SCM_HAS_BUS_CLK) {
-		scm->bus_clk = devm_clk_get(&pdev->dev, "bus");
-		if (IS_ERR(scm->bus_clk)) {
-			if (PTR_ERR(scm->bus_clk) != -EPROBE_DEFER)
-				dev_err(&pdev->dev,
-					"failed to acquire bus clk\n");
+	scm->bus_clk = devm_clk_get(&pdev->dev, "bus");
+	if (IS_ERR(scm->bus_clk)) {
+		if (PTR_ERR(scm->bus_clk) == -EPROBE_DEFER)
+			return PTR_ERR(scm->bus_clk);
+
+		if (clks & SCM_HAS_BUS_CLK) {
+			dev_err(&pdev->dev, "failed to acquire bus clk\n");
 			return PTR_ERR(scm->bus_clk);
 		}
+
+		scm->bus_clk = NULL;
 	}
 
 	scm->reset.ops = &qcom_scm_pas_reset_ops;
@@ -594,23 +604,23 @@ static const struct of_device_id qcom_scm_dt_match[] = {
 	{ .compatible = "qcom,scm-apq8064",
 	  /* FIXME: This should have .data = (void *) SCM_HAS_CORE_CLK */
 	},
-	{ .compatible = "qcom,scm-msm8660",
-	  .data = (void *) SCM_HAS_CORE_CLK,
-	},
-	{ .compatible = "qcom,scm-msm8960",
-	  .data = (void *) SCM_HAS_CORE_CLK,
-	},
-	{ .compatible = "qcom,scm-msm8996",
-	  .data = NULL, /* no clocks */
+	{ .compatible = "qcom,scm-apq8084", .data = (void *)(SCM_HAS_CORE_CLK |
+							     SCM_HAS_IFACE_CLK |
+							     SCM_HAS_BUS_CLK)
 	},
-	{ .compatible = "qcom,scm-ipq4019",
-	  .data = NULL, /* no clocks */
+	{ .compatible = "qcom,scm-ipq4019" },
+	{ .compatible = "qcom,scm-msm8660", .data = (void *) SCM_HAS_CORE_CLK },
+	{ .compatible = "qcom,scm-msm8960", .data = (void *) SCM_HAS_CORE_CLK },
+	{ .compatible = "qcom,scm-msm8916", .data = (void *)(SCM_HAS_CORE_CLK |
+							     SCM_HAS_IFACE_CLK |
+							     SCM_HAS_BUS_CLK)
 	},
-	{ .compatible = "qcom,scm",
-	  .data = (void *)(SCM_HAS_CORE_CLK
-			   | SCM_HAS_IFACE_CLK
-			   | SCM_HAS_BUS_CLK),
+	{ .compatible = "qcom,scm-msm8974", .data = (void *)(SCM_HAS_CORE_CLK |
+							     SCM_HAS_IFACE_CLK |
+							     SCM_HAS_BUS_CLK)
 	},
+	{ .compatible = "qcom,scm-msm8996" },
+	{ .compatible = "qcom,scm" },
 	{}
 };