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DSA: Convert repeated msleep calls to timeouts
Convert DSA msleep calls to timeout/usleep_range calls as reported by checkpatch.pl. Signed-off-by: Barry Grussling <barry@grussling.com> Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
parent
3675c8d714
commit
19b2f97e46
4 changed files with 34 additions and 18 deletions
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@ -8,6 +8,8 @@
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* (at your option) any later version.
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*/
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#include <linux/delay.h>
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#include <linux/jiffies.h>
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#include <linux/list.h>
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#include <linux/module.h>
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#include <linux/netdevice.h>
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@ -66,6 +68,7 @@ static int mv88e6060_switch_reset(struct dsa_switch *ds)
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{
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int i;
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int ret;
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unsigned long timeout;
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/* Set all ports to the disabled state. */
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for (i = 0; i < 6; i++) {
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@ -74,20 +77,21 @@ static int mv88e6060_switch_reset(struct dsa_switch *ds)
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}
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/* Wait for transmit queues to drain. */
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msleep(2);
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usleep_range(2000, 4000);
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/* Reset the switch. */
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REG_WRITE(REG_GLOBAL, 0x0a, 0xa130);
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/* Wait up to one second for reset to complete. */
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for (i = 0; i < 1000; i++) {
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timeout = jiffies + 1 * HZ;
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while (time_before(jiffies, timeout)) {
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ret = REG_READ(REG_GLOBAL, 0x00);
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if ((ret & 0x8000) == 0x0000)
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break;
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msleep(1);
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usleep_range(1000, 2000);
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}
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if (i == 1000)
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if (time_after(jiffies, timeout))
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return -ETIMEDOUT;
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return 0;
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@ -8,6 +8,8 @@
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* (at your option) any later version.
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*/
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#include <linux/delay.h>
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#include <linux/jiffies.h>
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#include <linux/list.h>
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#include <linux/module.h>
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#include <linux/netdevice.h>
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@ -50,6 +52,7 @@ static int mv88e6123_61_65_switch_reset(struct dsa_switch *ds)
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{
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int i;
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int ret;
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unsigned long timeout;
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/* Set all ports to the disabled state. */
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for (i = 0; i < 8; i++) {
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@ -58,20 +61,21 @@ static int mv88e6123_61_65_switch_reset(struct dsa_switch *ds)
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}
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/* Wait for transmit queues to drain. */
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msleep(2);
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usleep_range(2000, 4000);
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/* Reset the switch. */
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REG_WRITE(REG_GLOBAL, 0x04, 0xc400);
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/* Wait up to one second for reset to complete. */
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for (i = 0; i < 1000; i++) {
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timeout = jiffies + 1 * HZ;
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while (time_before(jiffies, timeout)) {
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ret = REG_READ(REG_GLOBAL, 0x00);
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if ((ret & 0xc800) == 0xc800)
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break;
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msleep(1);
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usleep_range(1000, 2000);
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}
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if (i == 1000)
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if (time_after(jiffies, timeout))
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return -ETIMEDOUT;
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return 0;
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@ -8,6 +8,8 @@
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* (at your option) any later version.
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*/
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#include <linux/delay.h>
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#include <linux/jiffies.h>
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#include <linux/list.h>
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#include <linux/module.h>
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#include <linux/netdevice.h>
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@ -42,6 +44,7 @@ static int mv88e6131_switch_reset(struct dsa_switch *ds)
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{
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int i;
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int ret;
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unsigned long timeout;
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/* Set all ports to the disabled state. */
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for (i = 0; i < 11; i++) {
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@ -50,20 +53,21 @@ static int mv88e6131_switch_reset(struct dsa_switch *ds)
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}
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/* Wait for transmit queues to drain. */
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msleep(2);
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usleep_range(2000, 4000);
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/* Reset the switch. */
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REG_WRITE(REG_GLOBAL, 0x04, 0xc400);
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/* Wait up to one second for reset to complete. */
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for (i = 0; i < 1000; i++) {
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timeout = jiffies + 1 * HZ;
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while (time_before(jiffies, timeout)) {
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ret = REG_READ(REG_GLOBAL, 0x00);
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if ((ret & 0xc800) == 0xc800)
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break;
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msleep(1);
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usleep_range(1000, 2000);
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}
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if (i == 1000)
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if (time_after(jiffies, timeout))
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return -ETIMEDOUT;
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return 0;
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@ -8,6 +8,8 @@
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* (at your option) any later version.
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*/
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#include <linux/delay.h>
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#include <linux/jiffies.h>
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#include <linux/list.h>
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#include <linux/module.h>
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#include <linux/netdevice.h>
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@ -196,14 +198,15 @@ int mv88e6xxx_phy_write(struct dsa_switch *ds, int addr, int regnum, u16 val)
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static int mv88e6xxx_ppu_disable(struct dsa_switch *ds)
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{
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int ret;
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int i;
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unsigned long timeout;
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ret = REG_READ(REG_GLOBAL, 0x04);
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REG_WRITE(REG_GLOBAL, 0x04, ret & ~0x4000);
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for (i = 0; i < 1000; i++) {
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timeout = jiffies + 1 * HZ;
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while (time_before(jiffies, timeout)) {
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ret = REG_READ(REG_GLOBAL, 0x00);
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msleep(1);
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usleep_range(1000, 2000);
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if ((ret & 0xc000) != 0xc000)
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return 0;
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}
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@ -214,14 +217,15 @@ static int mv88e6xxx_ppu_disable(struct dsa_switch *ds)
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static int mv88e6xxx_ppu_enable(struct dsa_switch *ds)
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{
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int ret;
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int i;
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unsigned long timeout;
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ret = REG_READ(REG_GLOBAL, 0x04);
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REG_WRITE(REG_GLOBAL, 0x04, ret | 0x4000);
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for (i = 0; i < 1000; i++) {
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timeout = jiffies + 1 * HZ;
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while (time_before(jiffies, timeout)) {
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ret = REG_READ(REG_GLOBAL, 0x00);
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msleep(1);
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usleep_range(1000, 2000);
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if ((ret & 0xc000) == 0xc000)
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return 0;
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}
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