diff options
Diffstat (limited to 'target/linux/generic/backport-5.10/735-v5.14-02-net-dsa-qca8k-use-iopoll-macro-for-qca8k_busy_wait.patch')
| -rw-r--r-- | target/linux/generic/backport-5.10/735-v5.14-02-net-dsa-qca8k-use-iopoll-macro-for-qca8k_busy_wait.patch | 61 |
1 files changed, 0 insertions, 61 deletions
diff --git a/target/linux/generic/backport-5.10/735-v5.14-02-net-dsa-qca8k-use-iopoll-macro-for-qca8k_busy_wait.patch b/target/linux/generic/backport-5.10/735-v5.14-02-net-dsa-qca8k-use-iopoll-macro-for-qca8k_busy_wait.patch deleted file mode 100644 index ff8288d484..0000000000 --- a/target/linux/generic/backport-5.10/735-v5.14-02-net-dsa-qca8k-use-iopoll-macro-for-qca8k_busy_wait.patch +++ /dev/null @@ -1,61 +0,0 @@ -From 2ad255f2faaffb3af786031fba2e7955454b558a Mon Sep 17 00:00:00 2001 -From: Ansuel Smith <ansuelsmth@gmail.com> -Date: Fri, 14 May 2021 22:59:52 +0200 -Subject: [PATCH] net: dsa: qca8k: use iopoll macro for qca8k_busy_wait - -Use iopoll macro instead of while loop. - -Signed-off-by: Ansuel Smith <ansuelsmth@gmail.com> -Reviewed-by: Andrew Lunn <andrew@lunn.ch> -Signed-off-by: David S. Miller <davem@davemloft.net> ---- - drivers/net/dsa/qca8k.c | 23 +++++++++++------------ - drivers/net/dsa/qca8k.h | 2 ++ - 2 files changed, 13 insertions(+), 12 deletions(-) - ---- a/drivers/net/dsa/qca8k.c -+++ b/drivers/net/dsa/qca8k.c -@@ -262,21 +262,20 @@ static struct regmap_config qca8k_regmap - static int - qca8k_busy_wait(struct qca8k_priv *priv, u32 reg, u32 mask) - { -- unsigned long timeout; -+ u32 val; -+ int ret; - -- timeout = jiffies + msecs_to_jiffies(20); -+ ret = read_poll_timeout(qca8k_read, val, !(val & mask), -+ 0, QCA8K_BUSY_WAIT_TIMEOUT * USEC_PER_MSEC, false, -+ priv, reg); - -- /* loop until the busy flag has cleared */ -- do { -- u32 val = qca8k_read(priv, reg); -- int busy = val & mask; -+ /* Check if qca8k_read has failed for a different reason -+ * before returning -ETIMEDOUT -+ */ -+ if (ret < 0 && val < 0) -+ return val; - -- if (!busy) -- break; -- cond_resched(); -- } while (!time_after_eq(jiffies, timeout)); -- -- return time_after_eq(jiffies, timeout); -+ return ret; - } - - static void ---- a/drivers/net/dsa/qca8k.h -+++ b/drivers/net/dsa/qca8k.h -@@ -18,6 +18,8 @@ - #define PHY_ID_QCA8337 0x004dd036 - #define QCA8K_ID_QCA8337 0x13 - -+#define QCA8K_BUSY_WAIT_TIMEOUT 20 -+ - #define QCA8K_NUM_FDB_RECORDS 2048 - - #define QCA8K_CPU_PORT 0 |