diff options
| -rw-r--r-- | drivers/i2c/busses/i2c-thunderx-pcidrv.c | 24 |
1 files changed, 15 insertions, 9 deletions
diff --git a/drivers/i2c/busses/i2c-thunderx-pcidrv.c b/drivers/i2c/busses/i2c-thunderx-pcidrv.c index 1d4c2beacf2e..b4bc884cef93 100644 --- a/drivers/i2c/busses/i2c-thunderx-pcidrv.c +++ b/drivers/i2c/busses/i2c-thunderx-pcidrv.c @@ -85,17 +85,23 @@ static void thunder_i2c_clock_enable(struct device *dev, struct octeon_i2c *i2c) { int ret; - i2c->clk = clk_get(dev, NULL); - if (IS_ERR(i2c->clk)) { - i2c->clk = NULL; - goto skip; + if (acpi_disabled) { + /* DT */ + i2c->clk = clk_get(dev, NULL); + if (IS_ERR(i2c->clk)) { + i2c->clk = NULL; + goto skip; + } + + ret = clk_prepare_enable(i2c->clk); + if (ret) + goto skip; + i2c->sys_freq = clk_get_rate(i2c->clk); + } else { + /* ACPI */ + device_property_read_u32(dev, "sclk", &i2c->sys_freq); } - ret = clk_prepare_enable(i2c->clk); - if (ret) - goto skip; - i2c->sys_freq = clk_get_rate(i2c->clk); - skip: if (!i2c->sys_freq) i2c->sys_freq = SYS_FREQ_DEFAULT; |