clk: exynos5433: Add CLK_IGNORE_UNUSED flag to clocks for SMC
authorJonghwa Lee <jonghwa3.lee@samsung.com>
Mon, 27 Apr 2015 11:36:36 +0000 (20:36 +0900)
committerMichael Turquette <mturquette@linaro.org>
Wed, 10 Jun 2015 01:14:27 +0000 (18:14 -0700)
This patch adds 'CLK_IGNORE_UNUSED' flag to clocks which is required for
operation of secure monitor call (smc). System will hang when it executes 'smc'
with one of those clock is gated. All related clocks must be enabled.

Signed-off-by: Jonghwa Lee <jonghwa3.lee@samsung.com>
Signed-off-by: Chanwoo Choi <cw00.choi@samsung.com>
Signed-off-by: Sylwester Nawrocki <s.nawrocki@samsung.com>
drivers/clk/samsung/clk-exynos5433.c

index 256fec0f2d18fbfd9d606a6d298b0e1136bc07cf..39c95649d3d016d14da7500e5b5ea188860252c9 100644 (file)
@@ -1390,7 +1390,7 @@ static struct samsung_gate_clock mif_gate_clks[] __initdata = {
 
        /* ENABLE_ACLK_MIF2 */
        GATE(CLK_ACLK_MIFND_266, "aclk_mifnd_266", "div_aclk_mif_266",
-                       ENABLE_ACLK_MIF2, 20, 0, 0),
+                       ENABLE_ACLK_MIF2, 20, CLK_IGNORE_UNUSED, 0),
        GATE(CLK_ACLK_PPMU_DREX1S3, "aclk_ppmu_drex1s3", "div_aclk_drex1",
                        ENABLE_ACLK_MIF2, 17, CLK_IGNORE_UNUSED, 0),
        GATE(CLK_ACLK_PPMU_DREX1S1, "aclk_ppmu_drex1s1", "div_aclk_drex1",
@@ -1833,39 +1833,39 @@ static struct samsung_gate_clock peris_gate_clks[] __initdata = {
 
        /* ENABLE_PCLK_PERIS_SECURE_TZPC */
        GATE(CLK_PCLK_TZPC12, "pclk_tzpc12", "aclk_peris_66",
-                       ENABLE_PCLK_PERIS_SECURE_TZPC, 12, 0, 0),
+                       ENABLE_PCLK_PERIS_SECURE_TZPC, 12, CLK_IGNORE_UNUSED, 0),
        GATE(CLK_PCLK_TZPC11, "pclk_tzpc11", "aclk_peris_66",
-                       ENABLE_PCLK_PERIS_SECURE_TZPC, 11, 0, 0),
+                       ENABLE_PCLK_PERIS_SECURE_TZPC, 11, CLK_IGNORE_UNUSED, 0),
        GATE(CLK_PCLK_TZPC10, "pclk_tzpc10", "aclk_peris_66",
-                       ENABLE_PCLK_PERIS_SECURE_TZPC, 10, 0, 0),
+                       ENABLE_PCLK_PERIS_SECURE_TZPC, 10, CLK_IGNORE_UNUSED, 0),
        GATE(CLK_PCLK_TZPC9, "pclk_tzpc9", "aclk_peris_66",
-                       ENABLE_PCLK_PERIS_SECURE_TZPC, 9, 0, 0),
+                       ENABLE_PCLK_PERIS_SECURE_TZPC, 9, CLK_IGNORE_UNUSED, 0),
        GATE(CLK_PCLK_TZPC8, "pclk_tzpc8", "aclk_peris_66",
-                       ENABLE_PCLK_PERIS_SECURE_TZPC, 8, 0, 0),
+                       ENABLE_PCLK_PERIS_SECURE_TZPC, 8, CLK_IGNORE_UNUSED, 0),
        GATE(CLK_PCLK_TZPC7, "pclk_tzpc7", "aclk_peris_66",
-                       ENABLE_PCLK_PERIS_SECURE_TZPC, 7, 0, 0),
+                       ENABLE_PCLK_PERIS_SECURE_TZPC, 7, CLK_IGNORE_UNUSED, 0),
        GATE(CLK_PCLK_TZPC6, "pclk_tzpc6", "aclk_peris_66",
-                       ENABLE_PCLK_PERIS_SECURE_TZPC, 6, 0, 0),
+                       ENABLE_PCLK_PERIS_SECURE_TZPC, 6, CLK_IGNORE_UNUSED, 0),
        GATE(CLK_PCLK_TZPC5, "pclk_tzpc5", "aclk_peris_66",
-                       ENABLE_PCLK_PERIS_SECURE_TZPC, 5, 0, 0),
+                       ENABLE_PCLK_PERIS_SECURE_TZPC, 5, CLK_IGNORE_UNUSED, 0),
        GATE(CLK_PCLK_TZPC4, "pclk_tzpc4", "aclk_peris_66",
-                       ENABLE_PCLK_PERIS_SECURE_TZPC, 4, 0, 0),
+                       ENABLE_PCLK_PERIS_SECURE_TZPC, 4, CLK_IGNORE_UNUSED, 0),
        GATE(CLK_PCLK_TZPC3, "pclk_tzpc3", "aclk_peris_66",
-                       ENABLE_PCLK_PERIS_SECURE_TZPC, 3, 0, 0),
+                       ENABLE_PCLK_PERIS_SECURE_TZPC, 3, CLK_IGNORE_UNUSED, 0),
        GATE(CLK_PCLK_TZPC2, "pclk_tzpc2", "aclk_peris_66",
-                       ENABLE_PCLK_PERIS_SECURE_TZPC, 2, 0, 0),
+                       ENABLE_PCLK_PERIS_SECURE_TZPC, 2, CLK_IGNORE_UNUSED, 0),
        GATE(CLK_PCLK_TZPC1, "pclk_tzpc1", "aclk_peris_66",
-                       ENABLE_PCLK_PERIS_SECURE_TZPC, 1, 0, 0),
+                       ENABLE_PCLK_PERIS_SECURE_TZPC, 1, CLK_IGNORE_UNUSED, 0),
        GATE(CLK_PCLK_TZPC0, "pclk_tzpc0", "aclk_peris_66",
-                       ENABLE_PCLK_PERIS_SECURE_TZPC, 0, 0, 0),
+                       ENABLE_PCLK_PERIS_SECURE_TZPC, 0, CLK_IGNORE_UNUSED, 0),
 
        /* ENABLE_PCLK_PERIS_SECURE_SECKEY_APBIF */
        GATE(CLK_PCLK_SECKEY_APBIF, "pclk_seckey_apbif", "aclk_peris_66",
-                       ENABLE_PCLK_PERIS_SECURE_SECKEY_APBIF, 0, 0, 0),
+                       ENABLE_PCLK_PERIS_SECURE_SECKEY_APBIF, 0, CLK_IGNORE_UNUSED, 0),
 
        /* ENABLE_PCLK_PERIS_SECURE_CHIPID_APBIF */
        GATE(CLK_PCLK_CHIPID_APBIF, "pclk_chipid_apbif", "aclk_peris_66",
-                       ENABLE_PCLK_PERIS_SECURE_CHIPID_APBIF, 0, 0, 0),
+                       ENABLE_PCLK_PERIS_SECURE_CHIPID_APBIF, 0, CLK_IGNORE_UNUSED, 0),
 
        /* ENABLE_PCLK_PERIS_SECURE_TOPRTC */
        GATE(CLK_PCLK_TOPRTC, "pclk_toprtc", "aclk_peris_66",
@@ -1896,11 +1896,11 @@ static struct samsung_gate_clock peris_gate_clks[] __initdata = {
 
        /* ENABLE_SCLK_PERIS_SECURE_SECKEY */
        GATE(CLK_SCLK_SECKEY, "sclk_seckey", "oscclk_efuse_common",
-                       ENABLE_SCLK_PERIS_SECURE_SECKEY, 0, 0, 0),
+                       ENABLE_SCLK_PERIS_SECURE_SECKEY, 0, CLK_IGNORE_UNUSED, 0),
 
        /* ENABLE_SCLK_PERIS_SECURE_CHIPID */
        GATE(CLK_SCLK_CHIPID, "sclk_chipid", "oscclk_efuse_common",
-                       ENABLE_SCLK_PERIS_SECURE_CHIPID, 0, 0, 0),
+                       ENABLE_SCLK_PERIS_SECURE_CHIPID, 0, CLK_IGNORE_UNUSED, 0),
 
        /* ENABLE_SCLK_PERIS_SECURE_TOPRTC */
        GATE(CLK_SCLK_TOPRTC, "sclk_toprtc", "oscclk_efuse_common",
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