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drivers: net: ipq: Optimize mdio read/write

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This patch removes the redundant udelay's and
ipq_mdio_wait_busy calls which in turn reduces
the overall AQ FW Load time.

Change-Id: I31f3a940d743528ed212e8cccab522ac249a5a5a
Signed-off-by: Selvam Sathappan Periakaruppan <quic_speriaka@quicinc.com>
This commit is contained in:
Selvam Sathappan Periakaruppan 2022-03-29 18:21:16 +05:30
parent 258a568873
commit 088df08ece
1 changed files with 0 additions and 8 deletions
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8
drivers/net/ipq_common/ipq_mdio.c
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@ -29,14 +29,11 @@ static int ipq_mdio_wait_busy(void)
int i;
u32 busy;
for (i = 0; i < IPQ_MDIO_RETRY; i++) {
udelay(IPQ_MDIO_DELAY);
busy = readl(IPQ_MDIO_BASE +
MDIO_CTRL_4_REG) &
MDIO_CTRL_4_ACCESS_BUSY;
if (!busy)
return 0;
udelay(IPQ_MDIO_DELAY);
}
printf("%s: MDIO operation timed out\n",
__func__);
@ -46,9 +43,6 @@ static int ipq_mdio_wait_busy(void)
int ipq_mdio_write(int mii_id, int regnum, u16 value)
{
u32 cmd;
if (ipq_mdio_wait_busy())
return -ETIMEDOUT;
if (regnum & MII_ADDR_C45) {
unsigned int mmd = (regnum >> 16) & 0x1F;
@ -100,8 +94,6 @@ int ipq_mdio_write(int mii_id, int regnum, u16 value)
int ipq_mdio_read(int mii_id, int regnum, ushort *data)
{
u32 val,cmd;
if (ipq_mdio_wait_busy())
return -ETIMEDOUT;
if (regnum & MII_ADDR_C45) {