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authorHeikki Krogerus <heikki.krogerus@linux.intel.com>2014-09-02 11:55:10 +0400
committerRafael J. Wysocki <rafael.j.wysocki@intel.com>2014-09-03 03:12:41 +0400
commit3f56bf3e939f0344febf92c41fbc0c26a21593c4 (patch)
tree26f456a20d62f0b09a7809c11ebf4db467581d0b /drivers/acpi/acpi_lpss.c
parent03f09f73bbd805f918fdc76888a1a83cdc28f28b (diff)
downloadlinux-3f56bf3e939f0344febf92c41fbc0c26a21593c4.tar.xz
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>
Diffstat (limited to 'drivers/acpi/acpi_lpss.c')
-rw-r--r--drivers/acpi/acpi_lpss.c39
1 files changed, 2 insertions, 37 deletions
diff --git a/drivers/acpi/acpi_lpss.c b/drivers/acpi/acpi_lpss.c
index b693098f2160..bcbdbd224c10 100644
--- a/drivers/acpi/acpi_lpss.c
+++ b/drivers/acpi/acpi_lpss.c
@@ -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);