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authorRafael J. Wysocki <rafael.j.wysocki@intel.com>2016-10-02 01:35:42 +0200
committerRafael J. Wysocki <rafael.j.wysocki@intel.com>2016-10-02 01:35:42 +0200
commit52ff5adc1f942008a790d6f964dec13793480c27 (patch)
treed45ebe69cee9706eaedf0f149d4050114c3aa021 /drivers/acpi
parentLinux 4.8-rc8 (diff)
parentserial: 8250_dw: Add quirk for APM X-Gene SoC (diff)
downloadlinux-dev-52ff5adc1f942008a790d6f964dec13793480c27.tar.xz
linux-dev-52ff5adc1f942008a790d6f964dec13793480c27.zip
Merge branch 'device-properties'
* device-properties: serial: 8250_dw: Add quirk for APM X-Gene SoC ACPI / LPSS: Provide build-in properties of the UART ACPI / APD: Provide build-in properties of the UART driver core: Don't leak secondary fwnode on device removal
Diffstat (limited to 'drivers/acpi')
-rw-r--r--drivers/acpi/acpi_apd.c15
-rw-r--r--drivers/acpi/acpi_lpss.c17
2 files changed, 32 insertions, 0 deletions
diff --git a/drivers/acpi/acpi_apd.c b/drivers/acpi/acpi_apd.c
index 1daf9c46df8e..5f112d811e42 100644
--- a/drivers/acpi/acpi_apd.c
+++ b/drivers/acpi/acpi_apd.c
@@ -42,6 +42,7 @@ struct apd_private_data;
struct apd_device_desc {
unsigned int flags;
unsigned int fixed_clk_rate;
+ struct property_entry *properties;
int (*setup)(struct apd_private_data *pdata);
};
@@ -76,9 +77,17 @@ static struct apd_device_desc cz_i2c_desc = {
.fixed_clk_rate = 133000000,
};
+static struct property_entry uart_properties[] = {
+ PROPERTY_ENTRY_U32("reg-io-width", 4),
+ PROPERTY_ENTRY_U32("reg-shift", 2),
+ PROPERTY_ENTRY_BOOL("snps,uart-16550-compatible"),
+ { },
+};
+
static struct apd_device_desc cz_uart_desc = {
.setup = acpi_apd_setup,
.fixed_clk_rate = 48000000,
+ .properties = uart_properties,
};
#endif
@@ -125,6 +134,12 @@ static int acpi_apd_create_device(struct acpi_device *adev,
goto err_out;
}
+ if (dev_desc->properties) {
+ ret = device_add_properties(&adev->dev, dev_desc->properties);
+ if (ret)
+ goto err_out;
+ }
+
adev->driver_data = pdata;
pdev = acpi_create_platform_device(adev);
if (!IS_ERR_OR_NULL(pdev))
diff --git a/drivers/acpi/acpi_lpss.c b/drivers/acpi/acpi_lpss.c
index 357a0b8f860b..552010288135 100644
--- a/drivers/acpi/acpi_lpss.c
+++ b/drivers/acpi/acpi_lpss.c
@@ -75,6 +75,7 @@ struct lpss_device_desc {
const char *clk_con_id;
unsigned int prv_offset;
size_t prv_size_override;
+ struct property_entry *properties;
void (*setup)(struct lpss_private_data *pdata);
};
@@ -163,11 +164,19 @@ static const struct lpss_device_desc lpt_i2c_dev_desc = {
.prv_offset = 0x800,
};
+static struct property_entry uart_properties[] = {
+ PROPERTY_ENTRY_U32("reg-io-width", 4),
+ PROPERTY_ENTRY_U32("reg-shift", 2),
+ PROPERTY_ENTRY_BOOL("snps,uart-16550-compatible"),
+ { },
+};
+
static const struct lpss_device_desc lpt_uart_dev_desc = {
.flags = LPSS_CLK | LPSS_CLK_GATE | LPSS_CLK_DIVIDER | LPSS_LTR,
.clk_con_id = "baudclk",
.prv_offset = 0x800,
.setup = lpss_uart_setup,
+ .properties = uart_properties,
};
static const struct lpss_device_desc lpt_sdio_dev_desc = {
@@ -189,6 +198,7 @@ static const struct lpss_device_desc byt_uart_dev_desc = {
.clk_con_id = "baudclk",
.prv_offset = 0x800,
.setup = lpss_uart_setup,
+ .properties = uart_properties,
};
static const struct lpss_device_desc bsw_uart_dev_desc = {
@@ -197,6 +207,7 @@ static const struct lpss_device_desc bsw_uart_dev_desc = {
.clk_con_id = "baudclk",
.prv_offset = 0x800,
.setup = lpss_uart_setup,
+ .properties = uart_properties,
};
static const struct lpss_device_desc byt_spi_dev_desc = {
@@ -440,6 +451,12 @@ static int acpi_lpss_create_device(struct acpi_device *adev,
goto err_out;
}
+ if (dev_desc->properties) {
+ ret = device_add_properties(&adev->dev, dev_desc->properties);
+ if (ret)
+ goto err_out;
+ }
+
adev->driver_data = pdata;
pdev = acpi_create_platform_device(adev);
if (!IS_ERR_OR_NULL(pdev)) {