diff options
Diffstat (limited to 'drivers/clk/bcm/clk-raspberrypi.c')
| -rw-r--r-- | drivers/clk/bcm/clk-raspberrypi.c | 31 |
1 files changed, 21 insertions, 10 deletions
diff --git a/drivers/clk/bcm/clk-raspberrypi.c b/drivers/clk/bcm/clk-raspberrypi.c index e135ad28d38d..00735704eabc 100644 --- a/drivers/clk/bcm/clk-raspberrypi.c +++ b/drivers/clk/bcm/clk-raspberrypi.c @@ -35,8 +35,11 @@ struct raspberrypi_clk { struct device *dev; struct rpi_firmware *firmware; struct platform_device *cpufreq; +}; - struct clk_hw pllb; +struct raspberrypi_clk_data { + struct clk_hw hw; + struct raspberrypi_clk *rpi; }; /* @@ -80,8 +83,9 @@ static int raspberrypi_clock_property(struct rpi_firmware *firmware, u32 tag, static int raspberrypi_fw_pll_is_on(struct clk_hw *hw) { - struct raspberrypi_clk *rpi = container_of(hw, struct raspberrypi_clk, - pllb); + struct raspberrypi_clk_data *data = + container_of(hw, struct raspberrypi_clk_data, hw); + struct raspberrypi_clk *rpi = data->rpi; u32 val = 0; int ret; @@ -98,8 +102,9 @@ static int raspberrypi_fw_pll_is_on(struct clk_hw *hw) static unsigned long raspberrypi_fw_pll_get_rate(struct clk_hw *hw, unsigned long parent_rate) { - struct raspberrypi_clk *rpi = container_of(hw, struct raspberrypi_clk, - pllb); + struct raspberrypi_clk_data *data = + container_of(hw, struct raspberrypi_clk_data, hw); + struct raspberrypi_clk *rpi = data->rpi; u32 val = 0; int ret; @@ -116,8 +121,9 @@ static unsigned long raspberrypi_fw_pll_get_rate(struct clk_hw *hw, static int raspberrypi_fw_pll_set_rate(struct clk_hw *hw, unsigned long rate, unsigned long parent_rate) { - struct raspberrypi_clk *rpi = container_of(hw, struct raspberrypi_clk, - pllb); + struct raspberrypi_clk_data *data = + container_of(hw, struct raspberrypi_clk_data, hw); + struct raspberrypi_clk *rpi = data->rpi; u32 new_rate = rate / RPI_FIRMWARE_PLLB_ARM_DIV_RATE; int ret; @@ -168,10 +174,15 @@ static const struct clk_ops raspberrypi_firmware_pll_clk_ops = { static int raspberrypi_register_pllb(struct raspberrypi_clk *rpi) { + struct raspberrypi_clk_data *data; struct clk_init_data init = {}; u32 min_rate = 0, max_rate = 0; int ret; + data = devm_kzalloc(rpi->dev, sizeof(*data), GFP_KERNEL); + if (!data) + return -ENOMEM; + data->rpi = rpi; /* All of the PLLs derive from the external oscillator. */ init.parent_names = (const char *[]){ "osc" }; @@ -210,11 +221,11 @@ static int raspberrypi_register_pllb(struct raspberrypi_clk *rpi) dev_info(rpi->dev, "CPU frequency range: min %u, max %u\n", min_rate, max_rate); - rpi->pllb.init = &init; + data->hw.init = &init; - ret = devm_clk_hw_register(rpi->dev, &rpi->pllb); + ret = devm_clk_hw_register(rpi->dev, &data->hw); if (!ret) - clk_hw_set_rate_range(&rpi->pllb, + clk_hw_set_rate_range(&data->hw, min_rate * RPI_FIRMWARE_PLLB_ARM_DIV_RATE, max_rate * RPI_FIRMWARE_PLLB_ARM_DIV_RATE); |