| lists.openwall.net | lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC | |
|
Open Source and information security mailing list archives
| ||
|
Message-Id: <20220313190419.2207-10-ansuelsmth@gmail.com>
Date: Sun, 13 Mar 2022 20:04:12 +0100
From: Ansuel Smith <ansuelsmth@...il.com>
To: Rob Herring <robh+dt@...nel.org>,
Bjorn Andersson <bjorn.andersson@...aro.org>,
Andy Gross <agross@...nel.org>,
Michael Turquette <mturquette@...libre.com>,
Stephen Boyd <sboyd@...nel.org>,
Peter De Schrijver <pdeschrijver@...dia.com>,
Prashant Gaikwad <pgaikwad@...dia.com>,
Thierry Reding <thierry.reding@...il.com>,
Jonathan Hunter <jonathanh@...dia.com>,
Ansuel Smith <ansuelsmth@...il.com>,
devicetree@...r.kernel.org, linux-kernel@...r.kernel.org,
linux-arm-msm@...r.kernel.org, linux-clk@...r.kernel.org,
linux-tegra@...r.kernel.org
Subject: [PATCH 09/16] clk: qcom: krait-cc: drop pr_info and register qsb only if needed
Drop pr_info and change them to dev_info.
Register qsb fixed clk only if it's not declared in DTS.
Also reorganize variable order.
Signed-off-by: Ansuel Smith <ansuelsmth@...il.com>
---
drivers/clk/qcom/krait-cc.c | 42 +++++++++++++++++++------------------
1 file changed, 22 insertions(+), 20 deletions(-)
diff --git a/drivers/clk/qcom/krait-cc.c b/drivers/clk/qcom/krait-cc.c
index 645ad9e8dd73..50352ff0ac67 100644
--- a/drivers/clk/qcom/krait-cc.c
+++ b/drivers/clk/qcom/krait-cc.c
@@ -34,9 +34,10 @@ static int krait_notifier_cb(struct notifier_block *nb,
unsigned long event,
void *data)
{
- int ret = 0;
struct krait_mux_clk *mux = container_of(nb, struct krait_mux_clk,
clk_nb);
+ int ret = 0;
+
/* Switch to safe parent */
if (event == PRE_RATE_CHANGE) {
mux->old_index = krait_mux_clk_ops.get_parent(&mux->hw);
@@ -59,7 +60,7 @@ static int krait_notifier_cb(struct notifier_block *nb,
static int krait_notifier_register(struct device *dev, struct clk *clk,
struct krait_mux_clk *mux)
{
- int ret = 0;
+ int ret;
mux->clk_nb.notifier_call = krait_notifier_cb;
ret = clk_notifier_register(clk, &mux->clk_nb);
@@ -72,15 +73,15 @@ static int krait_notifier_register(struct device *dev, struct clk *clk,
static struct clk *
krait_add_div(struct device *dev, int id, const char *s, unsigned int offset)
{
- struct krait_div2_clk *div;
static struct clk_parent_data p_data[1];
struct clk_init_data init = {
.num_parents = ARRAY_SIZE(p_data),
.ops = &krait_div2_clk_ops,
.flags = CLK_SET_RATE_PARENT,
};
- struct clk *clk;
+ struct krait_div2_clk *div;
char *parent_name;
+ struct clk *clk;
div = devm_kzalloc(dev, sizeof(*div), GFP_KERNEL);
if (!div)
@@ -119,8 +120,6 @@ static struct clk *
krait_add_sec_mux(struct device *dev, int id, const char *s,
unsigned int offset, bool unique_aux)
{
- int ret;
- struct krait_mux_clk *mux;
static struct clk_parent_data sec_mux_list[2] = {
{ .name = "qsb", .fw_name = "qsb" },
{},
@@ -131,8 +130,10 @@ krait_add_sec_mux(struct device *dev, int id, const char *s,
.ops = &krait_mux_clk_ops,
.flags = CLK_SET_RATE_PARENT,
};
- struct clk *clk;
+ struct krait_mux_clk *mux;
char *parent_name;
+ struct clk *clk;
+ int ret;
mux = devm_kzalloc(dev, sizeof(*mux), GFP_KERNEL);
if (!mux)
@@ -182,8 +183,6 @@ static struct clk *
krait_add_pri_mux(struct device *dev, struct clk *hfpll_div, struct clk *sec_mux,
int id, const char *s, unsigned int offset)
{
- int ret;
- struct krait_mux_clk *mux;
static struct clk_parent_data p_data[3];
struct clk_init_data init = {
.parent_data = p_data,
@@ -191,8 +190,10 @@ krait_add_pri_mux(struct device *dev, struct clk *hfpll_div, struct clk *sec_mux
.ops = &krait_mux_clk_ops,
.flags = CLK_SET_RATE_PARENT,
};
- struct clk *clk;
+ struct krait_mux_clk *mux;
char *hfpll_name;
+ struct clk *clk;
+ int ret;
mux = devm_kzalloc(dev, sizeof(*mux), GFP_KERNEL);
if (!mux)
@@ -240,10 +241,10 @@ krait_add_pri_mux(struct device *dev, struct clk *hfpll_div, struct clk *sec_mux
/* id < 0 for L2, otherwise id == physical CPU number */
static struct clk *krait_add_clks(struct device *dev, int id, bool unique_aux)
{
+ struct clk *hfpll_div, *sec_mux, *clk;
unsigned int offset;
void *p = NULL;
const char *s;
- struct clk *hfpll_div, *sec_mux, *clk;
if (id >= 0) {
offset = 0x4501 + (0x1000 * id);
@@ -295,20 +296,21 @@ MODULE_DEVICE_TABLE(of, krait_cc_match_table);
static int krait_cc_probe(struct platform_device *pdev)
{
+ unsigned long cur_rate, aux_rate;
+ struct clk *l2_pri_mux_clk, *clk;
struct device *dev = &pdev->dev;
const struct of_device_id *id;
- unsigned long cur_rate, aux_rate;
- int cpu;
- struct clk *clk;
struct clk **clks;
- struct clk *l2_pri_mux_clk;
+ int cpu;
id = of_match_device(krait_cc_match_table, dev);
if (!id)
return -ENODEV;
/* Rate is 1 because 0 causes problems for __clk_mux_determine_rate */
- clk = clk_register_fixed_rate(dev, "qsb", NULL, 0, 1);
+ if (IS_ERR(clk_get(dev, "qsb")))
+ clk = clk_register_fixed_rate(dev, "qsb", NULL, 0, 1);
+
if (IS_ERR(clk))
return PTR_ERR(clk);
@@ -363,25 +365,25 @@ static int krait_cc_probe(struct platform_device *pdev)
cur_rate = clk_get_rate(l2_pri_mux_clk);
aux_rate = 384000000;
if (cur_rate == 1) {
- pr_info("L2 @ QSB rate. Forcing new rate.\n");
+ dev_info(dev, "L2 @ QSB rate. Forcing new rate.\n");
cur_rate = aux_rate;
}
clk_set_rate(l2_pri_mux_clk, aux_rate);
clk_set_rate(l2_pri_mux_clk, 2);
clk_set_rate(l2_pri_mux_clk, cur_rate);
- pr_info("L2 @ %lu KHz\n", clk_get_rate(l2_pri_mux_clk) / 1000);
+ dev_info(dev, "L2 @ %lu KHz\n", clk_get_rate(l2_pri_mux_clk) / 1000);
for_each_possible_cpu(cpu) {
clk = clks[cpu];
cur_rate = clk_get_rate(clk);
if (cur_rate == 1) {
- pr_info("CPU%d @ QSB rate. Forcing new rate.\n", cpu);
+ dev_info(dev, "CPU%d @ QSB rate. Forcing new rate.\n", cpu);
cur_rate = aux_rate;
}
clk_set_rate(clk, aux_rate);
clk_set_rate(clk, 2);
clk_set_rate(clk, cur_rate);
- pr_info("CPU%d @ %lu KHz\n", cpu, clk_get_rate(clk) / 1000);
+ dev_info(dev, "CPU%d @ %lu KHz\n", cpu, clk_get_rate(clk) / 1000);
}
of_clk_add_provider(dev->of_node, krait_of_get, clks);
--
2.34.1
Powered by blists - more mailing lists