tty: Remove tty_wait_until_sent_from_close()
[firefly-linux-kernel-4.4.55.git] / drivers / rtc / rtc-cmos.c
index 5ac9a5da85228d8005d817497a995676e9632119..8f7034ba7d9e30e5ef929ab0362186df249ed3be 100644 (file)
@@ -41,7 +41,6 @@
 #include <linux/pm.h>
 #include <linux/of.h>
 #include <linux/of_platform.h>
-#include <linux/dmi.h>
 
 /* this is for "generic access to PC-style RTC" using CMOS_READ/CMOS_WRITE */
 #include <asm-generic/rtc.h>
@@ -383,50 +382,6 @@ static int cmos_set_alarm(struct device *dev, struct rtc_wkalrm *t)
        return 0;
 }
 
-/*
- * Do not disable RTC alarm on shutdown - workaround for b0rked BIOSes.
- */
-static bool alarm_disable_quirk;
-
-static int __init set_alarm_disable_quirk(const struct dmi_system_id *id)
-{
-       alarm_disable_quirk = true;
-       pr_info("BIOS has alarm-disable quirk - RTC alarms disabled\n");
-       return 0;
-}
-
-static const struct dmi_system_id rtc_quirks[] __initconst = {
-       /* https://bugzilla.novell.com/show_bug.cgi?id=805740 */
-       {
-               .callback = set_alarm_disable_quirk,
-               .ident    = "IBM Truman",
-               .matches  = {
-                       DMI_MATCH(DMI_SYS_VENDOR, "TOSHIBA"),
-                       DMI_MATCH(DMI_PRODUCT_NAME, "4852570"),
-               },
-       },
-       /* https://bugzilla.novell.com/show_bug.cgi?id=812592 */
-       {
-               .callback = set_alarm_disable_quirk,
-               .ident    = "Gigabyte GA-990XA-UD3",
-               .matches  = {
-                       DMI_MATCH(DMI_SYS_VENDOR,
-                                       "Gigabyte Technology Co., Ltd."),
-                       DMI_MATCH(DMI_PRODUCT_NAME, "GA-990XA-UD3"),
-               },
-       },
-       /* http://permalink.gmane.org/gmane.linux.kernel/1604474 */
-       {
-               .callback = set_alarm_disable_quirk,
-               .ident    = "Toshiba Satellite L300",
-               .matches  = {
-                       DMI_MATCH(DMI_SYS_VENDOR, "TOSHIBA"),
-                       DMI_MATCH(DMI_PRODUCT_NAME, "Satellite L300"),
-               },
-       },
-       {}
-};
-
 static int cmos_alarm_irq_enable(struct device *dev, unsigned int enabled)
 {
        struct cmos_rtc *cmos = dev_get_drvdata(dev);
@@ -435,9 +390,6 @@ static int cmos_alarm_irq_enable(struct device *dev, unsigned int enabled)
        if (!is_valid_irq(cmos->irq))
                return -EINVAL;
 
-       if (alarm_disable_quirk)
-               return 0;
-
        spin_lock_irqsave(&rtc_lock, flags);
 
        if (enabled)
@@ -515,13 +467,6 @@ cmos_nvram_read(struct file *filp, struct kobject *kobj,
 {
        int     retval;
 
-       if (unlikely(off >= attr->size))
-               return 0;
-       if (unlikely(off < 0))
-               return -EINVAL;
-       if ((off + count) > attr->size)
-               count = attr->size - off;
-
        off += NVRAM_OFFSET;
        spin_lock_irq(&rtc_lock);
        for (retval = 0; count; count--, off++, retval++) {
@@ -546,12 +491,6 @@ cmos_nvram_write(struct file *filp, struct kobject *kobj,
        int             retval;
 
        cmos = dev_get_drvdata(container_of(kobj, struct device, kobj));
-       if (unlikely(off >= attr->size))
-               return -EFBIG;
-       if (unlikely(off < 0))
-               return -EINVAL;
-       if ((off + count) > attr->size)
-               count = attr->size - off;
 
        /* NOTE:  on at least PCs and Ataris, the boot firmware uses a
         * checksum on part of the NVRAM data.  That's currently ignored
@@ -1299,8 +1238,6 @@ static int __init cmos_init(void)
                        platform_driver_registered = true;
        }
 
-       dmi_check_system(rtc_quirks);
-
        if (retval == 0)
                return 0;