get_tbl() is confusing as it returns the content TBL register
on PPC32 but the concatenation of TBL and TBU on PPC64.
Use mftb() instead.
This will allow the removal of get_tbl() in a following patch.
Signed-off-by: Christophe Leroy <christophe.le...@csgroup.eu>
---
arch/powerpc/platforms/52xx/mpc52xx_lpbfifo.c | 8 ++++----
1 file changed, 4 insertions(+), 4 deletions(-)
diff --git a/arch/powerpc/platforms/52xx/mpc52xx_lpbfifo.c
b/arch/powerpc/platforms/52xx/mpc52xx_lpbfifo.c
index 05e19470d523..b91ebebd9ff2 100644
--- a/arch/powerpc/platforms/52xx/mpc52xx_lpbfifo.c
+++ b/arch/powerpc/platforms/52xx/mpc52xx_lpbfifo.c
@@ -229,7 +229,7 @@ static irqreturn_t mpc52xx_lpbfifo_irq(int irq, void
*dev_id)
int dma, write, poll_dma;
spin_lock_irqsave(&lpbfifo.lock, flags);
- ts = get_tbl();
+ ts = mftb();
req = lpbfifo.req;
if (!req) {
@@ -307,7 +307,7 @@ static irqreturn_t mpc52xx_lpbfifo_irq(int irq, void
*dev_id)
if (irq != 0) /* don't increment on polled case */
req->irq_count++;
- req->irq_ticks += get_tbl() - ts;
+ req->irq_ticks += mftb() - ts;
spin_unlock_irqrestore(&lpbfifo.lock, flags);
/* Spinlock is released; it is now safe to call the callback */
@@ -330,7 +330,7 @@ static irqreturn_t mpc52xx_lpbfifo_bcom_irq(int irq, void
*dev_id)
u32 ts;
spin_lock_irqsave(&lpbfifo.lock, flags);
- ts = get_tbl();
+ ts = mftb();
req = lpbfifo.req;
if (!req || (req->flags & MPC52XX_LPBFIFO_FLAG_NO_DMA)) {
@@ -361,7 +361,7 @@ static irqreturn_t mpc52xx_lpbfifo_bcom_irq(int irq, void
*dev_id)
lpbfifo.req = NULL;
/* Release the lock before calling out to the callback. */
- req->irq_ticks += get_tbl() - ts;
+ req->irq_ticks += mftb() - ts;
spin_unlock_irqrestore(&lpbfifo.lock, flags);
if (req->callback)
--
2.25.0
