From a5969cabbb4660eab42b6ef0412cbbd1200cf14d Mon Sep 17 00:00:00 2001
From: hc <hc@nodka.com>
Date: Sat, 12 Oct 2024 07:10:09 +0000
Subject: [PATCH] 修改led为gpio
---
kernel/drivers/i2c/busses/i2c-imx-lpi2c.c | 10 ++++++++--
1 files changed, 8 insertions(+), 2 deletions(-)
diff --git a/kernel/drivers/i2c/busses/i2c-imx-lpi2c.c b/kernel/drivers/i2c/busses/i2c-imx-lpi2c.c
index 8b9ba05..c688f11 100644
--- a/kernel/drivers/i2c/busses/i2c-imx-lpi2c.c
+++ b/kernel/drivers/i2c/busses/i2c-imx-lpi2c.c
@@ -200,8 +200,8 @@
/* CLKLO = I2C_CLK_RATIO * CLKHI, SETHOLD = CLKHI, DATAVD = CLKHI/2 */
static int lpi2c_imx_config(struct lpi2c_imx_struct *lpi2c_imx)
{
- u8 prescale, filt, sethold, clkhi, clklo, datavd;
- unsigned int clk_rate, clk_cycle;
+ u8 prescale, filt, sethold, datavd;
+ unsigned int clk_rate, clk_cycle, clkhi, clklo;
enum lpi2c_imx_pincfg pincfg;
unsigned int temp;
@@ -462,6 +462,8 @@
if (num == 1 && msgs[0].len == 0)
goto stop;
+ lpi2c_imx->rx_buf = NULL;
+ lpi2c_imx->tx_buf = NULL;
lpi2c_imx->delivered = 0;
lpi2c_imx->msglen = msgs[i].len;
init_completion(&lpi2c_imx->complete);
@@ -502,10 +504,14 @@
static irqreturn_t lpi2c_imx_isr(int irq, void *dev_id)
{
struct lpi2c_imx_struct *lpi2c_imx = dev_id;
+ unsigned int enabled;
unsigned int temp;
+
+ enabled = readl(lpi2c_imx->base + LPI2C_MIER);
lpi2c_imx_intctrl(lpi2c_imx, 0);
temp = readl(lpi2c_imx->base + LPI2C_MSR);
+ temp &= enabled;
if (temp & MSR_RDF)
lpi2c_imx_read_rxfifo(lpi2c_imx);
--
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