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authorStephen Boyd <sboyd@kernel.org>2018-12-14 13:42:08 -0800
committerStephen Boyd <sboyd@kernel.org>2018-12-14 13:42:08 -0800
commit9dc320424708378b7a2137a148fc4fc816105ba2 (patch)
tree74fe6b0ceddc3b78682ba2a6d95975a61f735f2b /drivers/clk
parentMerge branch 'clk-qcom-8998-resets' into clk-next (diff)
parentclk: qcom: qcs404: Fix gpll0_out_main parent (diff)
downloadlinux-dev-9dc320424708378b7a2137a148fc4fc816105ba2.tar.xz
linux-dev-9dc320424708378b7a2137a148fc4fc816105ba2.zip
Merge branch 'clk-fixes' into clk-next
* clk-fixes: clk: qcom: qcs404: Fix gpll0_out_main parent clk: zynqmp: Off by one in zynqmp_is_valid_clock() clk: mmp: Off by one in mmp_clk_add() clk: mvebu: Off by one bugs in cp110_of_clk_get() arm64: dts: qcom: sdm845-mtp: Mark protected gcc clocks clk: zynqmp: handle fixed factor param query error clk: qcom: gcc: Fix board clock node name clk: meson: axg: mark fdiv2 and fdiv3 as critical clk: meson-gxbb: set fclk_div3 as CLK_IS_CRITICAL clk: fixed-factor: fix of_node_get-put imbalance
Diffstat (limited to 'drivers/clk')
-rw-r--r--drivers/clk/clk-fixed-factor.c1
-rw-r--r--drivers/clk/meson/axg.c13
-rw-r--r--drivers/clk/meson/gxbb.c12
-rw-r--r--drivers/clk/mmp/clk.c2
-rw-r--r--drivers/clk/mvebu/cp110-system-controller.c4
-rw-r--r--drivers/clk/qcom/gcc-qcs404.c4
-rw-r--r--drivers/clk/zynqmp/clkc.c5
7 files changed, 35 insertions, 6 deletions
diff --git a/drivers/clk/clk-fixed-factor.c b/drivers/clk/clk-fixed-factor.c
index 739e19dcacfa..241b3f8c61a9 100644
--- a/drivers/clk/clk-fixed-factor.c
+++ b/drivers/clk/clk-fixed-factor.c
@@ -205,6 +205,7 @@ static int of_fixed_factor_clk_remove(struct platform_device *pdev)
{
struct clk *clk = platform_get_drvdata(pdev);
+ of_clk_del_provider(pdev->dev.of_node);
clk_unregister_fixed_factor(clk);
return 0;
diff --git a/drivers/clk/meson/axg.c b/drivers/clk/meson/axg.c
index c981159b02c0..792735d7e46e 100644
--- a/drivers/clk/meson/axg.c
+++ b/drivers/clk/meson/axg.c
@@ -325,6 +325,7 @@ static struct clk_regmap axg_fclk_div2 = {
.ops = &clk_regmap_gate_ops,
.parent_names = (const char *[]){ "fclk_div2_div" },
.num_parents = 1,
+ .flags = CLK_IS_CRITICAL,
},
};
@@ -349,6 +350,18 @@ static struct clk_regmap axg_fclk_div3 = {
.ops = &clk_regmap_gate_ops,
.parent_names = (const char *[]){ "fclk_div3_div" },
.num_parents = 1,
+ /*
+ * FIXME:
+ * This clock, as fdiv2, is used by the SCPI FW and is required
+ * by the platform to operate correctly.
+ * Until the following condition are met, we need this clock to
+ * be marked as critical:
+ * a) The SCPI generic driver claims and enable all the clocks
+ * it needs
+ * b) CCF has a clock hand-off mechanism to make the sure the
+ * clock stays on until the proper driver comes along
+ */
+ .flags = CLK_IS_CRITICAL,
},
};
diff --git a/drivers/clk/meson/gxbb.c b/drivers/clk/meson/gxbb.c
index 9290465c0589..65f2599e5243 100644
--- a/drivers/clk/meson/gxbb.c
+++ b/drivers/clk/meson/gxbb.c
@@ -558,6 +558,18 @@ static struct clk_regmap gxbb_fclk_div3 = {
.ops = &clk_regmap_gate_ops,
.parent_names = (const char *[]){ "fclk_div3_div" },
.num_parents = 1,
+ /*
+ * FIXME:
+ * This clock, as fdiv2, is used by the SCPI FW and is required
+ * by the platform to operate correctly.
+ * Until the following condition are met, we need this clock to
+ * be marked as critical:
+ * a) The SCPI generic driver claims and enable all the clocks
+ * it needs
+ * b) CCF has a clock hand-off mechanism to make the sure the
+ * clock stays on until the proper driver comes along
+ */
+ .flags = CLK_IS_CRITICAL,
},
};
diff --git a/drivers/clk/mmp/clk.c b/drivers/clk/mmp/clk.c
index ad8d483a35cd..ca7d37e2c7be 100644
--- a/drivers/clk/mmp/clk.c
+++ b/drivers/clk/mmp/clk.c
@@ -183,7 +183,7 @@ void mmp_clk_add(struct mmp_clk_unit *unit, unsigned int id,
pr_err("CLK %d has invalid pointer %p\n", id, clk);
return;
}
- if (id > unit->nr_clks) {
+ if (id >= unit->nr_clks) {
pr_err("CLK %d is invalid\n", id);
return;
}
diff --git a/drivers/clk/mvebu/cp110-system-controller.c b/drivers/clk/mvebu/cp110-system-controller.c
index 9781b1bf5998..9235a331b588 100644
--- a/drivers/clk/mvebu/cp110-system-controller.c
+++ b/drivers/clk/mvebu/cp110-system-controller.c
@@ -200,11 +200,11 @@ static struct clk_hw *cp110_of_clk_get(struct of_phandle_args *clkspec,
unsigned int idx = clkspec->args[1];
if (type == CP110_CLK_TYPE_CORE) {
- if (idx > CP110_MAX_CORE_CLOCKS)
+ if (idx >= CP110_MAX_CORE_CLOCKS)
return ERR_PTR(-EINVAL);
return clk_data->hws[idx];
} else if (type == CP110_CLK_TYPE_GATABLE) {
- if (idx > CP110_MAX_GATABLE_CLOCKS)
+ if (idx >= CP110_MAX_GATABLE_CLOCKS)
return ERR_PTR(-EINVAL);
return clk_data->hws[CP110_MAX_CORE_CLOCKS + idx];
}
diff --git a/drivers/clk/qcom/gcc-qcs404.c b/drivers/clk/qcom/gcc-qcs404.c
index e4ca6a45f313..64da032bb9ed 100644
--- a/drivers/clk/qcom/gcc-qcs404.c
+++ b/drivers/clk/qcom/gcc-qcs404.c
@@ -265,7 +265,7 @@ static struct clk_fixed_factor cxo = {
.div = 1,
.hw.init = &(struct clk_init_data){
.name = "cxo",
- .parent_names = (const char *[]){ "xo_board" },
+ .parent_names = (const char *[]){ "xo-board" },
.num_parents = 1,
.ops = &clk_fixed_factor_ops,
},
@@ -297,7 +297,7 @@ static struct clk_alpha_pll gpll0_out_main = {
.hw.init = &(struct clk_init_data){
.name = "gpll0_out_main",
.parent_names = (const char *[])
- { "gpll0_sleep_clk_src" },
+ { "cxo" },
.num_parents = 1,
.ops = &clk_alpha_pll_ops,
},
diff --git a/drivers/clk/zynqmp/clkc.c b/drivers/clk/zynqmp/clkc.c
index 9d7d297f0ea8..f65cc0ff76ab 100644
--- a/drivers/clk/zynqmp/clkc.c
+++ b/drivers/clk/zynqmp/clkc.c
@@ -128,7 +128,7 @@ static const struct zynqmp_eemi_ops *eemi_ops;
*/
static inline int zynqmp_is_valid_clock(u32 clk_id)
{
- if (clk_id > clock_max_idx)
+ if (clk_id >= clock_max_idx)
return -ENODEV;
return clock[clk_id].valid;
@@ -279,6 +279,9 @@ struct clk_hw *zynqmp_clk_register_fixed_factor(const char *name, u32 clk_id,
qdata.arg1 = clk_id;
ret = eemi_ops->query_data(qdata, ret_payload);
+ if (ret)
+ return ERR_PTR(ret);
+
mult = ret_payload[1];
div = ret_payload[2];