Several functions aren't used outside the mfd driver. So,
either remove or make them static.
Signed-off-by: Mauro Carvalho Chehab <mchehab+hua...@kernel.org>
---
drivers/staging/hikey9xx/hi6421-spmi-pmic.c | 147 ++++----------------
1 file changed, 24 insertions(+), 123 deletions(-)
diff --git a/drivers/staging/hikey9xx/hi6421-spmi-pmic.c
b/drivers/staging/hikey9xx/hi6421-spmi-pmic.c
index 809381eb6043..8b87d48b88b5 100644
--- a/drivers/staging/hikey9xx/hi6421-spmi-pmic.c
+++ b/drivers/staging/hikey9xx/hi6421-spmi-pmic.c
@@ -73,21 +73,21 @@ u32 hisi_pmic_read(struct hisi_pmic *pmic, int reg)
u8 read_value = 0;
struct spmi_device *pdev;
- if (NULL == g_pmic) {
- pr_err(" g_pmic is NULL\n");
+ if (!g_pmic) {
+ pr_err("%s: g_pmic is NULL\n", __func__);
return 0;
}
pdev = to_spmi_device(g_pmic->dev);
- if (NULL == pdev) {
- pr_err("%s:pdev get failed!\n", __func__);
+ if (!pdev) {
+ pr_err("%s: pdev get failed!\n", __func__);
return 0;
}
ret = spmi_ext_register_readl(pdev, reg, (unsigned char*)&read_value,
1);/*lint !e734 !e732 */
if (ret) {
- pr_err("%s:spmi_ext_register_readl failed!\n", __func__);
- return ret;
+ pr_err("%s: spmi_ext_register_readl failed!\n", __func__);
+ return 0;
}
return (u32)read_value;
}
@@ -98,34 +98,32 @@ void hisi_pmic_write(struct hisi_pmic *pmic, int reg, u32
val)
u32 ret;
struct spmi_device *pdev;
- if (NULL == g_pmic) {
- pr_err(" g_pmic is NULL\n");
+ if (!g_pmic) {
+ pr_err("%s: g_pmic is NULL\n", __func__);
return;
}
pdev = to_spmi_device(g_pmic->dev);
- if (NULL == pdev) {
- pr_err("%s:pdev get failed!\n", __func__);
+ if (!pdev) {
+ pr_err("%s: pdev get failed!\n", __func__);
return;
}
ret = spmi_ext_register_writel(pdev, reg, (unsigned char*)&val,
1);/*lint !e734 !e732 */
if (ret) {
- pr_err("%s:spmi_ext_register_writel failed!\n", __func__);
- return ;
+ pr_err("%s: spmi_ext_register_writel failed!\n", __func__);
+ return;
}
}
EXPORT_SYMBOL(hisi_pmic_write);
-
-void hisi_pmic_rmw(struct hisi_pmic *pmic, int reg,
- u32 mask, u32 bits)
+void hisi_pmic_rmw(struct hisi_pmic *pmic, int reg, u32 mask, u32 bits)
{
u32 data;
unsigned long flags;
- if (NULL == g_pmic) {
- pr_err(" g_pmic is NULL\n");
+ if (!g_pmic) {
+ pr_err("%s: g_pmic is NULL\n", __func__);
return;
}
@@ -137,75 +135,6 @@ void hisi_pmic_rmw(struct hisi_pmic *pmic, int reg,
}
EXPORT_SYMBOL(hisi_pmic_rmw);
-unsigned int hisi_pmic_reg_read(int addr)
-{
- return (unsigned int)hisi_pmic_read(g_pmic, addr);
-}
-EXPORT_SYMBOL(hisi_pmic_reg_read);
-
-void hisi_pmic_reg_write(int addr, int val)
-{
- hisi_pmic_write(g_pmic, addr, val);
-}
-EXPORT_SYMBOL(hisi_pmic_reg_write);
-
-void hisi_pmic_reg_write_lock(int addr, int val)
-{
- unsigned long flags;
-
- if (NULL == g_pmic) {
- pr_err(" g_pmic is NULL\n");
- return;
- }
-
- spin_lock_irqsave(&g_pmic->lock, flags);
- hisi_pmic_write(g_pmic, g_pmic->normal_lock.addr,
g_pmic->normal_lock.val);
- hisi_pmic_write(g_pmic, g_pmic->debug_lock.addr,
g_pmic->debug_lock.val);
- hisi_pmic_write(g_pmic, addr, val);
- hisi_pmic_write(g_pmic, g_pmic->normal_lock.addr, 0);
- hisi_pmic_write(g_pmic, g_pmic->debug_lock.addr, 0);
- spin_unlock_irqrestore(&g_pmic->lock, flags);
-}
-
-int hisi_pmic_array_read(int addr, char *buff, unsigned int len)
-{
- unsigned int i;
-
- if ((len > 32) || (NULL == buff)) {
- return -EINVAL;
- }
-
- /*
- * Here is a bug in the pmu die.
- * the coul driver will read 4 bytes,
- * but the ssi bus only read 1 byte, and the pmu die
- * will make sampling 1/10669us about vol cur,so the driver
- * read the data is not the same sampling
- */
- for (i = 0; i < len; i++)
- {
- *(buff + i) = hisi_pmic_reg_read(addr+i);
- }
-
- return 0;
-}
-
-int hisi_pmic_array_write(int addr, char *buff, unsigned int len)
-{
- unsigned int i;
-
- if ((len > 32) || (NULL == buff)) {
- return -EINVAL;
- }
-
- for (i = 0; i < len; i++)
- {
- hisi_pmic_reg_write(addr+i, *(buff + i));
- }
-
- return 0;
-}
-
static irqreturn_t hisi_irq_handler(int irq, void *data)
{
struct hisi_pmic *pmic = (struct hisi_pmic *)data;
@@ -213,13 +142,13 @@ static irqreturn_t hisi_irq_handler(int irq, void *data)
int i, offset;
for (i = 0; i < pmic->irqarray; i++) {
- pending = hisi_pmic_reg_read((i + pmic->irq_addr.start_addr));
+ pending = hisi_pmic_read(g_pmic, (i +
pmic->irq_addr.start_addr));
pending &= HISI_MASK_FIELD;
if (pending != 0) {
pr_info("pending[%d]=0x%lx\n\r", i, pending);
}
- hisi_pmic_reg_write((i + pmic->irq_addr.start_addr), pending);
+ hisi_pmic_write(g_pmic, (i + pmic->irq_addr.start_addr),
pending);
/*solve powerkey order*/
if ((HISI_IRQ_KEY_NUM == i) && ((pending & HISI_IRQ_KEY_VALUE)
== HISI_IRQ_KEY_VALUE)) {
@@ -237,13 +166,13 @@ static irqreturn_t hisi_irq_handler(int irq, void *data)
/*Handle the second group irq if analysis the second group irq from
dtsi*/
if (1 == g_extinterrupt_flag){
for (i = 0; i < pmic->irqarray1; i++) {
- pending = hisi_pmic_reg_read((i +
pmic->irq_addr1.start_addr));
+ pending = hisi_pmic_read(g_pmic, (i +
pmic->irq_addr1.start_addr));
pending &= HISI_MASK_FIELD;
if (pending != 0) {
pr_info("pending[%d]=0x%lx\n\r", i, pending);
}
- hisi_pmic_reg_write((i + pmic->irq_addr1.start_addr),
pending);
+ hisi_pmic_write(g_pmic, (i +
pmic->irq_addr1.start_addr), pending);
if (pending) {
for_each_set_bit(offset, &pending, HISI_BITS)
@@ -276,9 +205,9 @@ static void hisi_irq_mask(struct irq_data *d)
offset += pmic->irq_mask_addr.start_addr;
}
spin_lock_irqsave(&g_pmic->lock, flags);
- data = hisi_pmic_reg_read(offset);
+ data = hisi_pmic_read(g_pmic, offset);
data |= (1 << (irqd_to_hwirq(d) & 0x07));
- hisi_pmic_reg_write(offset, data);
+ hisi_pmic_write(g_pmic, offset, data);
spin_unlock_irqrestore(&g_pmic->lock, flags);
}
@@ -303,9 +232,9 @@ static void hisi_irq_unmask(struct irq_data *d)
offset += pmic->irq_mask_addr.start_addr;
}
spin_lock_irqsave(&g_pmic->lock, flags);
- data = hisi_pmic_reg_read(offset);
- data &= ~(1 << (irqd_to_hwirq(d) & 0x07)); /*lint !e502 */
- hisi_pmic_reg_write(offset, data);
+ data = hisi_pmic_read(g_pmic, offset);
+ data &= ~(1 << (irqd_to_hwirq(d) & 0x07));
+ hisi_pmic_write(g_pmic, offset, data);
spin_unlock_irqrestore(&g_pmic->lock, flags);
}
@@ -452,34 +381,6 @@ static int get_pmic_device_tree_data1(struct device_node
*np, struct hisi_pmic *
return ret;
}/*lint -restore*/
-int hisi_get_pmic_irq_byname(unsigned int pmic_irq_list)
-{
- if ( NULL == g_pmic ) {
- pr_err("[%s]g_pmic is NULL\n", __func__);
- return -1;
- }
-
- if (pmic_irq_list > (unsigned int)g_pmic->irqnum) {
- pr_err("[%s]input pmic irq number is error.\n", __func__);
- return -1;
- }
- pr_info("%s:g_pmic->irqs[%d]=%d\n", __func__, pmic_irq_list,
g_pmic->irqs[pmic_irq_list]);
- return (int)g_pmic->irqs[pmic_irq_list];
-}
-EXPORT_SYMBOL(hisi_get_pmic_irq_byname);
-
-int hisi_pmic_get_vbus_status(void)
-{
- if (0 == g_pmic_vbus.addr)
- return -1;
-
- if (hisi_pmic_reg_read(g_pmic_vbus.addr) & BIT(g_pmic_vbus.bit))
- return 1;
-
- return 0;
-}
-EXPORT_SYMBOL(hisi_pmic_get_vbus_status);
-
static void hisi_pmic_irq_prc(struct hisi_pmic *pmic)
{
int i;
--
2.26.2
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