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spi: rockchip: Modify the transmission completion status bit of early IP version tx

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Change-Id: I494a3a357d69cd6daa73046b5519aad24c7d642e
Signed-off-by: Jon Lin <jon.lin@rock-chips.com>
This commit is contained in:
Jon Lin
2024-11-04 15:24:30 +08:00
committed by Tao Huang
parent a07f9ca495
commit 81cf9d083b
1 changed files with 7 additions and 7 deletions
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14
drivers/spi/spi-rockchip.c
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@@ -244,23 +244,23 @@ static inline void spi_enable_chip(struct rockchip_spi *rs, bool enable)
static inline void wait_for_tx_idle(struct rockchip_spi *rs, bool slave_mode)
{
unsigned long timeout = jiffies + msecs_to_jiffies(5);
u32 bit_filed = SR_BUSY;
u32 bit_field = SR_BUSY;
u32 idle_val = 0;
uint32_t speed, us;
if (slave_mode && rs->version == ROCKCHIP_SPI_VER2_TYPE2) {
bit_filed = SR_SLAVE_TX_BUSY;
bit_field = SR_SLAVE_TX_BUSY;
idle_val = 0;
} else if (slave_mode) {
bit_filed = SR_TF_EMPTY;
idle_val = 1;
bit_field = SR_TF_EMPTY;
idle_val = SR_TF_EMPTY;
}
do {
if ((readl_relaxed(rs->regs + ROCKCHIP_SPI_SR) & bit_filed) == idle_val) {
if (bit_filed == SR_TF_EMPTY) {
if ((readl_relaxed(rs->regs + ROCKCHIP_SPI_SR) & bit_field) == idle_val) {
if (bit_field == SR_TF_EMPTY) {
speed = rs->speed_hz;
us = (8 * 1000000 / speed) * 2;
us = (8 * 1000000 / speed) * 2 + 1;
udelay(us);
}
return;