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ACPI / LPSS: remove struct lpss_shared_clock 

Nothing requires it anymore. The PWM driver no longer
uses clk framework to get the rate.

Signed-off-by: Heikki Krogerus <heikki.krogerus@linux.intel.com>
Reviewed-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Acked-by: Mika Westerberg <mika.westerberg@linux.intel.com>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
hifive-unleashed-5.1
Heikki Krogerus 2014-09-02 10:55:10 +03:00 committed by Rafael J. Wysocki
parent 03f09f73bb
commit 3f56bf3e93
1 changed files with 2 additions and 37 deletions
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39
drivers/acpi/acpi_lpss.c
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@ -61,19 +61,12 @@ ACPI_MODULE_NAME("acpi_lpss");
#define LPSS_LTR BIT(3)
#define LPSS_SAVE_CTX BIT(4)
struct lpss_shared_clock {
const char *name;
unsigned long rate;
struct clk *clk;
};
struct lpss_private_data;
struct lpss_device_desc {
unsigned int flags;
unsigned int prv_offset;
size_t prv_size_override;
struct lpss_shared_clock *shared_clock;
void (*setup)(struct lpss_private_data *pdata);
};
@ -140,14 +133,8 @@ static struct lpss_device_desc lpt_sdio_dev_desc = {
.prv_size_override = 0x1018,
};
static struct lpss_shared_clock pwm_clock = {
.name = "pwm_clk",
.rate = 25000000,
};
static struct lpss_device_desc byt_pwm_dev_desc = {
.flags = LPSS_CLK | LPSS_SAVE_CTX,
.shared_clock = &pwm_clock,
.flags = LPSS_SAVE_CTX,
};
static struct lpss_device_desc byt_uart_dev_desc = {
@ -171,16 +158,6 @@ static struct lpss_device_desc byt_i2c_dev_desc = {
.setup = byt_i2c_setup,
};
static struct lpss_shared_clock bsw_pwm_clock = {
.name = "pwm_clk",
.rate = 19200000,
};
static struct lpss_device_desc bsw_pwm_dev_desc = {
.flags = LPSS_CLK | LPSS_SAVE_CTX,
.shared_clock = &bsw_pwm_clock,
};
#else
#define LPSS_ADDR(desc) (0UL)
@ -211,7 +188,7 @@ static const struct acpi_device_id acpi_lpss_device_ids[] = {
{ "INT33FC", },
/* Braswell LPSS devices */
{ "80862288", LPSS_ADDR(bsw_pwm_dev_desc) },
{ "80862288", LPSS_ADDR(byt_pwm_dev_desc) },
{ "8086228A", LPSS_ADDR(byt_uart_dev_desc) },
{ "8086228E", LPSS_ADDR(byt_spi_dev_desc) },
{ "808622C1", LPSS_ADDR(byt_i2c_dev_desc) },
@ -251,7 +228,6 @@ static int register_device_clock(struct acpi_device *adev,
struct lpss_private_data *pdata)
{
const struct lpss_device_desc *dev_desc = pdata->dev_desc;
struct lpss_shared_clock *shared_clock = dev_desc->shared_clock;
const char *devname = dev_name(&adev->dev);
struct clk *clk = ERR_PTR(-ENODEV);
struct lpss_clk_data *clk_data;
@ -273,17 +249,6 @@ static int register_device_clock(struct acpi_device *adev,
parent = clk_data->name;
prv_base = pdata->mmio_base + dev_desc->prv_offset;
if (shared_clock) {
clk = shared_clock->clk;
if (!clk) {
clk = clk_register_fixed_rate(NULL, shared_clock->name,
"lpss_clk", 0,
shared_clock->rate);
shared_clock->clk = clk;
}
parent = shared_clock->name;
}
if (pdata->fixed_clk_rate) {
clk = clk_register_fixed_rate(NULL, devname, parent, 0,
pdata->fixed_clk_rate);