kernel: delete Linux 5.4 config and patches

[openwrt/staging/chunkeey.git] / target / linux / layerscape / patches-5.4 / 808-i2c-0013-LF-98-i2c-imx-fix-the-judgement-of-slave-mode-in-isr.patch

diff --git a/target/linux/layerscape/patches-5.4/808-i2c-0013-LF-98-i2c-imx-fix-the-judgement-of-slave-mode-in-isr.patch b/target/linux/layerscape/patches-5.4/808-i2c-0013-LF-98-i2c-imx-fix-the-judgement-of-slave-mode-in-isr.patch
deleted file mode 100644 (file)
index cd404ef..0000000
--- a/target/linux/layerscape/patches-5.4/808-i2c-0013-LF-98-i2c-imx-fix-the-judgement-of-slave-mode-in-isr.patch
+++ /dev/null
@@ -1,46 +0,0 @@
-From 85048a8a0df324df94f9585c1e01d0a4419de4dc Mon Sep 17 00:00:00 2001
-From: Clark Wang <xiaoning.wang@nxp.com>
-Date: Wed, 27 Nov 2019 14:23:55 +0800
-Subject: [PATCH] LF-98 i2c: imx: fix the judgement of slave mode in isr
-
-The I2CR[MSTA] will be modified by software or hardware even in master
-mode. The judgment of slave mode by reading CR register is unreliable.
-Change to use i2c_imx->slave registered status to judge i2c mode.
-
-Acked-by: Fugang Duan <fugang.duan@nxp.com>
-Signed-off-by: Clark Wang <xiaoning.wang@nxp.com>
----
- drivers/i2c/busses/i2c-imx.c | 13 +++++--------
- 1 file changed, 5 insertions(+), 8 deletions(-)
-
---- a/drivers/i2c/busses/i2c-imx.c
-+++ b/drivers/i2c/busses/i2c-imx.c
-@@ -1482,23 +1482,20 @@ static const struct i2c_algorithm i2c_im
- static irqreturn_t i2c_imx_isr(int irq, void *dev_id)
- {
-       struct imx_i2c_struct *i2c_imx = dev_id;
--      unsigned int status, ctl;
--      irqreturn_t irq_status = IRQ_NONE;
-+      unsigned int status;
- 
-       status = imx_i2c_read_reg(i2c_imx, IMX_I2C_I2SR);
--      ctl = imx_i2c_read_reg(i2c_imx, IMX_I2C_I2CR);
- 
-       if (status & I2SR_IIF) {
-               i2c_imx_clr_if_bit(status, i2c_imx);
--              if (ctl & I2CR_MSTA)
--                      irq_status = i2c_imx_master_isr(i2c_imx);
- #if IS_ENABLED(CONFIG_I2C_SLAVE)
--              else
--                      irq_status = i2c_imx_slave_isr(i2c_imx);
-+              if (i2c_imx->slave)
-+                      return i2c_imx_slave_isr(i2c_imx);
- #endif
-+              return i2c_imx_master_isr(i2c_imx);
-       }
- 
--      return irq_status;
-+      return IRQ_NONE;
- }
- 
- static int i2c_imx_probe(struct platform_device *pdev)