diff options
| author | Rafael J. Wysocki <rafael.j.wysocki@intel.com> | 2013-10-28 01:20:24 +0100 |
|---|---|---|
| committer | Rafael J. Wysocki <rafael.j.wysocki@intel.com> | 2013-10-28 01:20:24 +0100 |
| commit | 5171f4fa744de840c2c20f5b65bd3ee1cd85d0e8 (patch) | |
| tree | 962c881be0b82b2cb973393d98a8a66153167afd /drivers/acpi/acpi_lpss.c | |
| parent | 975bcabb05436d8b99214a2293d1d5b9c0b0ca08 (diff) | |
| parent | b042453f3892465e8372b95a0f42c0890df03445 (diff) | |
Merge branch 'acpi-assorted'
* acpi-assorted:
ACPI: Add Toshiba NB100 to Vista _OSI blacklist
ACPI / osl: remove an unneeded NULL check
ACPI / platform: add ACPI ID for a Broadcom GPS chip
ACPI: improve acpi_extract_package() utility
ACPI / LPSS: fix UART Auto Flow Control
ACPI / platform: Add ACPI IDs for Intel SST audio device
x86 / ACPI: fix incorrect placement of __initdata tag
ACPI / thermal: convert printk(LEVEL...) to pr_<lvl>
ACPI / sysfs: make GPE sysfs attributes only accept correct values
ACPI / EC: Convert all printk() calls to dynamic debug function
ACPI / button: Using input_set_capability() to mark device's event capability
ACPI / osl: implement acpi_os_sleep() with msleep()
Diffstat (limited to 'drivers/acpi/acpi_lpss.c')
| -rw-r--r-- | drivers/acpi/acpi_lpss.c | 12 |
1 files changed, 9 insertions, 3 deletions
diff --git a/drivers/acpi/acpi_lpss.c b/drivers/acpi/acpi_lpss.c index fb78bb9ad8f..d3961014aad 100644 --- a/drivers/acpi/acpi_lpss.c +++ b/drivers/acpi/acpi_lpss.c @@ -30,6 +30,7 @@ ACPI_MODULE_NAME("acpi_lpss"); /* Offsets relative to LPSS_PRIVATE_OFFSET */ #define LPSS_GENERAL 0x08 #define LPSS_GENERAL_LTR_MODE_SW BIT(2) +#define LPSS_GENERAL_UART_RTS_OVRD BIT(3) #define LPSS_SW_LTR 0x10 #define LPSS_AUTO_LTR 0x14 #define LPSS_TX_INT 0x20 @@ -68,11 +69,16 @@ struct lpss_private_data { static void lpss_uart_setup(struct lpss_private_data *pdata) { - unsigned int tx_int_offset = pdata->dev_desc->prv_offset + LPSS_TX_INT; + unsigned int offset; u32 reg; - reg = readl(pdata->mmio_base + tx_int_offset); - writel(reg | LPSS_TX_INT_MASK, pdata->mmio_base + tx_int_offset); + offset = pdata->dev_desc->prv_offset + LPSS_TX_INT; + reg = readl(pdata->mmio_base + offset); + writel(reg | LPSS_TX_INT_MASK, pdata->mmio_base + offset); + + offset = pdata->dev_desc->prv_offset + LPSS_GENERAL; + reg = readl(pdata->mmio_base + offset); + writel(reg | LPSS_GENERAL_UART_RTS_OVRD, pdata->mmio_base + offset); } static struct lpss_device_desc lpt_dev_desc = { |