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authorDavid S. Miller <davem@davemloft.net>2014-09-12 18:04:04 -0400
committerDavid S. Miller <davem@davemloft.net>2014-09-12 18:04:04 -0400
commita7f8289d1291a8e1b9d4e39c770467d3dac0d382 (patch)
treeb9984cbe11be761fc16ac61da0c7ad25acb6df86
parent381f4dca48d23e155b936b86ccd3ff12f073cf0f (diff)
parent8badd65e48c90d66587359d5329c2813088c0f50 (diff)
Merge tag 'linux-can-fixes-for-3.17-20140911' of git://gitorious.org/linux-can/linux-can
Marc Kleine-Budde says: ==================== pull-request: can 2014-09-11 this is a pull request for the current release cycle of a single patch. The patch by David Jander fixes a scheduling while atomic problem in the flexcan driver, that was introduced by me in v3.14-rc6. ==================== Signed-off-by: David S. Miller <davem@davemloft.net>
-rw-r--r--drivers/net/can/flexcan.c10
1 files changed, 5 insertions, 5 deletions
diff --git a/drivers/net/can/flexcan.c b/drivers/net/can/flexcan.c
index 944aa5d3af6e..630c7bf032a8 100644
--- a/drivers/net/can/flexcan.c
+++ b/drivers/net/can/flexcan.c
@@ -298,7 +298,7 @@ static int flexcan_chip_enable(struct flexcan_priv *priv)
298 flexcan_write(reg, &regs->mcr); 298 flexcan_write(reg, &regs->mcr);
299 299
300 while (timeout-- && (flexcan_read(&regs->mcr) & FLEXCAN_MCR_LPM_ACK)) 300 while (timeout-- && (flexcan_read(&regs->mcr) & FLEXCAN_MCR_LPM_ACK))
301 usleep_range(10, 20); 301 udelay(10);
302 302
303 if (flexcan_read(&regs->mcr) & FLEXCAN_MCR_LPM_ACK) 303 if (flexcan_read(&regs->mcr) & FLEXCAN_MCR_LPM_ACK)
304 return -ETIMEDOUT; 304 return -ETIMEDOUT;
@@ -317,7 +317,7 @@ static int flexcan_chip_disable(struct flexcan_priv *priv)
317 flexcan_write(reg, &regs->mcr); 317 flexcan_write(reg, &regs->mcr);
318 318
319 while (timeout-- && !(flexcan_read(&regs->mcr) & FLEXCAN_MCR_LPM_ACK)) 319 while (timeout-- && !(flexcan_read(&regs->mcr) & FLEXCAN_MCR_LPM_ACK))
320 usleep_range(10, 20); 320 udelay(10);
321 321
322 if (!(flexcan_read(&regs->mcr) & FLEXCAN_MCR_LPM_ACK)) 322 if (!(flexcan_read(&regs->mcr) & FLEXCAN_MCR_LPM_ACK))
323 return -ETIMEDOUT; 323 return -ETIMEDOUT;
@@ -336,7 +336,7 @@ static int flexcan_chip_freeze(struct flexcan_priv *priv)
336 flexcan_write(reg, &regs->mcr); 336 flexcan_write(reg, &regs->mcr);
337 337
338 while (timeout-- && !(flexcan_read(&regs->mcr) & FLEXCAN_MCR_FRZ_ACK)) 338 while (timeout-- && !(flexcan_read(&regs->mcr) & FLEXCAN_MCR_FRZ_ACK))
339 usleep_range(100, 200); 339 udelay(100);
340 340
341 if (!(flexcan_read(&regs->mcr) & FLEXCAN_MCR_FRZ_ACK)) 341 if (!(flexcan_read(&regs->mcr) & FLEXCAN_MCR_FRZ_ACK))
342 return -ETIMEDOUT; 342 return -ETIMEDOUT;
@@ -355,7 +355,7 @@ static int flexcan_chip_unfreeze(struct flexcan_priv *priv)
355 flexcan_write(reg, &regs->mcr); 355 flexcan_write(reg, &regs->mcr);
356 356
357 while (timeout-- && (flexcan_read(&regs->mcr) & FLEXCAN_MCR_FRZ_ACK)) 357 while (timeout-- && (flexcan_read(&regs->mcr) & FLEXCAN_MCR_FRZ_ACK))
358 usleep_range(10, 20); 358 udelay(10);
359 359
360 if (flexcan_read(&regs->mcr) & FLEXCAN_MCR_FRZ_ACK) 360 if (flexcan_read(&regs->mcr) & FLEXCAN_MCR_FRZ_ACK)
361 return -ETIMEDOUT; 361 return -ETIMEDOUT;
@@ -370,7 +370,7 @@ static int flexcan_chip_softreset(struct flexcan_priv *priv)
370 370
371 flexcan_write(FLEXCAN_MCR_SOFTRST, &regs->mcr); 371 flexcan_write(FLEXCAN_MCR_SOFTRST, &regs->mcr);
372 while (timeout-- && (flexcan_read(&regs->mcr) & FLEXCAN_MCR_SOFTRST)) 372 while (timeout-- && (flexcan_read(&regs->mcr) & FLEXCAN_MCR_SOFTRST))
373 usleep_range(10, 20); 373 udelay(10);
374 374
375 if (flexcan_read(&regs->mcr) & FLEXCAN_MCR_SOFTRST) 375 if (flexcan_read(&regs->mcr) & FLEXCAN_MCR_SOFTRST)
376 return -ETIMEDOUT; 376 return -ETIMEDOUT;