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A few driver fixes for tegra, rockchip, and st SoCs and a two-liner 

in the framework to avoid oops when get_parent ops return out of range
 values on tegra platforms.
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Merge tag 'clk-fixes-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/clk/linux

Pull clk fixes from Stephen Boyd:
 "A few driver fixes for tegra, rockchip, and st SoCs and a two-liner in
  the framework to avoid oops when get_parent ops return out of range
  values on tegra platforms"

* tag 'clk-fixes-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/clk/linux:
  drivers: clk: st: Rename st_pll3200c32_407_c0_x into st_pll3200c32_cx_x
  clk: check for invalid parent index of orphans in __clk_init()
  clk: tegra: dfll: Properly protect OPP list
  clk: rockchip: add critical clock for rk3368
hifive-unleashed-5.1
Linus Torvalds 2015-09-19 20:17:40 -07:00
parent e6827bafd6 d34e210ed3
commit d590b2d4bf
5 changed files with 25 additions and 12 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

3
drivers/clk/clk.c
View File

@ -2437,7 +2437,8 @@ static int __clk_init(struct device *dev, struct clk *clk_user)
hlist_for_each_entry_safe(orphan, tmp2, &clk_orphan_list, child_node) {
if (orphan->num_parents && orphan->ops->get_parent) {
i = orphan->ops->get_parent(orphan->hw);
if (!strcmp(core->name, orphan->parent_names[i]))
if (i >= 0 && i < orphan->num_parents &&
!strcmp(core->name, orphan->parent_names[i]))
clk_core_reparent(orphan, core);
continue;
}

6
drivers/clk/rockchip/clk-rk3368.c
View File

@ -818,6 +818,10 @@ static struct rockchip_clk_branch rk3368_clk_branches[] __initdata = {
GATE(0, "sclk_timer00", "xin24m", CLK_IGNORE_UNUSED, RK3368_CLKGATE_CON(24), 0, GFLAGS),
};
static const char *const rk3368_critical_clocks[] __initconst = {
"pclk_pd_pmu",
};
static void __init rk3368_clk_init(struct device_node *np)
{
void __iomem *reg_base;
@ -862,6 +866,8 @@ static void __init rk3368_clk_init(struct device_node *np)
RK3368_GRF_SOC_STATUS0);
rockchip_clk_register_branches(rk3368_clk_branches,
ARRAY_SIZE(rk3368_clk_branches));
rockchip_clk_protect_critical(rk3368_critical_clocks,
ARRAY_SIZE(rk3368_critical_clocks));
rockchip_clk_register_armclk(ARMCLKB, "armclkb",
mux_armclkb_p, ARRAY_SIZE(mux_armclkb_p),

8
drivers/clk/st/clkgen-fsyn.c
View File

@ -307,7 +307,7 @@ static const struct clkgen_quadfs_data st_fs660c32_F_416 = {
.get_rate = clk_fs660c32_dig_get_rate,
};
static const struct clkgen_quadfs_data st_fs660c32_C_407 = {
static const struct clkgen_quadfs_data st_fs660c32_C = {
.nrst_present = true,
.nrst = { CLKGEN_FIELD(0x2f0, 0x1, 0),
CLKGEN_FIELD(0x2f0, 0x1, 1),
@ -350,7 +350,7 @@ static const struct clkgen_quadfs_data st_fs660c32_C_407 = {
.get_rate = clk_fs660c32_dig_get_rate,
};
static const struct clkgen_quadfs_data st_fs660c32_D_407 = {
static const struct clkgen_quadfs_data st_fs660c32_D = {
.nrst_present = true,
.nrst = { CLKGEN_FIELD(0x2a0, 0x1, 0),
CLKGEN_FIELD(0x2a0, 0x1, 1),
@ -1077,11 +1077,11 @@ static const struct of_device_id quadfs_of_match[] = {
},
{
.compatible = "st,stih407-quadfs660-C",
.data = &st_fs660c32_C_407
.data = &st_fs660c32_C
},
{
.compatible = "st,stih407-quadfs660-D",
.data = &st_fs660c32_D_407
.data = &st_fs660c32_D
},
{}
};

12
drivers/clk/st/clkgen-pll.c
View File

@ -193,7 +193,7 @@ static const struct clkgen_pll_data st_pll3200c32_407_a0 = {
.ops = &stm_pll3200c32_ops,
};
static const struct clkgen_pll_data st_pll3200c32_407_c0_0 = {
static const struct clkgen_pll_data st_pll3200c32_cx_0 = {
/* 407 C0 PLL0 */
.pdn_status = CLKGEN_FIELD(0x2a0, 0x1, 8),
.locked_status = CLKGEN_FIELD(0x2a0, 0x1, 24),
@ -205,7 +205,7 @@ static const struct clkgen_pll_data st_pll3200c32_407_c0_0 = {
.ops = &stm_pll3200c32_ops,
};
static const struct clkgen_pll_data st_pll3200c32_407_c0_1 = {
static const struct clkgen_pll_data st_pll3200c32_cx_1 = {
/* 407 C0 PLL1 */
.pdn_status = CLKGEN_FIELD(0x2c8, 0x1, 8),
.locked_status = CLKGEN_FIELD(0x2c8, 0x1, 24),
@ -624,12 +624,12 @@ static const struct of_device_id c32_pll_of_match[] = {
.data = &st_pll3200c32_407_a0,
},
{
.compatible = "st,stih407-plls-c32-c0_0",
.data = &st_pll3200c32_407_c0_0,
.compatible = "st,plls-c32-cx_0",
.data = &st_pll3200c32_cx_0,
},
{
.compatible = "st,stih407-plls-c32-c0_1",
.data = &st_pll3200c32_407_c0_1,
.compatible = "st,plls-c32-cx_1",
.data = &st_pll3200c32_cx_1,
},
{
.compatible = "st,stih407-plls-c32-a9",

8
drivers/clk/tegra/clk-dfll.c
View File

@ -682,11 +682,17 @@ static int find_lut_index_for_rate(struct tegra_dfll *td, unsigned long rate)
struct dev_pm_opp *opp;
int i, uv;
rcu_read_lock();
opp = dev_pm_opp_find_freq_ceil(td->soc->dev, &rate);
if (IS_ERR(opp))
if (IS_ERR(opp)) {
rcu_read_unlock();
return PTR_ERR(opp);
}
uv = dev_pm_opp_get_voltage(opp);
rcu_read_unlock();
for (i = 0; i < td->i2c_lut_size; i++) {
if (regulator_list_voltage(td->vdd_reg, td->i2c_lut[i]) == uv)
return i;