diff options
Diffstat (limited to 'drivers/mfd/ssbi.c')
| -rw-r--r-- | drivers/mfd/ssbi.c | 16 |
1 files changed, 11 insertions, 5 deletions
diff --git a/drivers/mfd/ssbi.c b/drivers/mfd/ssbi.c index 102a2284429..b78942ed4c6 100644 --- a/drivers/mfd/ssbi.c +++ b/drivers/mfd/ssbi.c @@ -65,13 +65,19 @@ #define SSBI_TIMEOUT_US 100 +enum ssbi_controller_type { + MSM_SBI_CTRL_SSBI = 0, + MSM_SBI_CTRL_SSBI2, + MSM_SBI_CTRL_PMIC_ARBITER, +}; + struct ssbi { struct device *slave; void __iomem *base; spinlock_t lock; enum ssbi_controller_type controller_type; int (*read)(struct ssbi *, u16 addr, u8 *buf, int len); - int (*write)(struct ssbi *, u16 addr, u8 *buf, int len); + int (*write)(struct ssbi *, u16 addr, const u8 *buf, int len); }; #define to_ssbi(dev) platform_get_drvdata(to_platform_device(dev)) @@ -140,7 +146,7 @@ err: } static int -ssbi_write_bytes(struct ssbi *ssbi, u16 addr, u8 *buf, int len) +ssbi_write_bytes(struct ssbi *ssbi, u16 addr, const u8 *buf, int len) { int ret = 0; @@ -217,7 +223,7 @@ err: } static int -ssbi_pa_write_bytes(struct ssbi *ssbi, u16 addr, u8 *buf, int len) +ssbi_pa_write_bytes(struct ssbi *ssbi, u16 addr, const u8 *buf, int len) { u32 cmd; int ret = 0; @@ -249,7 +255,7 @@ int ssbi_read(struct device *dev, u16 addr, u8 *buf, int len) } EXPORT_SYMBOL_GPL(ssbi_read); -int ssbi_write(struct device *dev, u16 addr, u8 *buf, int len) +int ssbi_write(struct device *dev, u16 addr, const u8 *buf, int len) { struct ssbi *ssbi = to_ssbi(dev); unsigned long flags; @@ -311,7 +317,7 @@ static int ssbi_probe(struct platform_device *pdev) return of_platform_populate(np, NULL, NULL, &pdev->dev); } -static struct of_device_id ssbi_match_table[] = { +static const struct of_device_id ssbi_match_table[] = { { .compatible = "qcom,ssbi" }, {} }; |