kernel: delete Linux 5.4 config and patches

As the upcoming release will be based on Linux 5.10 only, remove all
kernel configuration as well as patches for Linux 5.4.
There were no targets still actively using Linux 5.4.

Signed-off-by: Daniel Golle <daniel@makrotopia.org>
(cherry picked from commit 3a14580411adfb75f9a44eded9f41245b9e44606)

1 files changed, 0 insertions, 70 deletions

diff --git a/target/linux/layerscape/patches-5.4/808-i2c-0016-LF-162-i2c-imx-Defer-probing-if-EDMA-not-available.patch b/target/linux/layerscape/patches-5.4/808-i2c-0016-LF-162-i2c-imx-Defer-probing-if-EDMA-not-available.patch
deleted file mode 100644
index 815cb0efe6..0000000000
--- a/target/linux/layerscape/patches-5.4/808-i2c-0016-LF-162-i2c-imx-Defer-probing-if-EDMA-not-available.patch
+++ /dev/null
@@ -1,70 +0,0 @@
-From 9de3b340d84b75f93081f871b640a065cba4ded0 Mon Sep 17 00:00:00 2001
-From: Peng Ma <peng.ma@nxp.com>
-Date: Tue, 26 Nov 2019 16:02:00 +0800
-Subject: [PATCH] LF-162: i2c: imx: Defer probing if EDMA not available
-
-EDMA may be not available or defered due to dependencies on
-other modules, If these scenarios is encountered, we should
-defer probing.
-
-Signed-off-by: Peng Ma <peng.ma@nxp.com>
----
- drivers/i2c/busses/i2c-imx.c | 16 +++++++++++-----
- 1 file changed, 11 insertions(+), 5 deletions(-)
-
---- a/drivers/i2c/busses/i2c-imx.c
-+++ b/drivers/i2c/busses/i2c-imx.c
-@@ -369,8 +369,8 @@ static void i2c_imx_reset_regs(struct im
- }
- 
- /* Functions for DMA support */
--static void i2c_imx_dma_request(struct imx_i2c_struct *i2c_imx,
--						dma_addr_t phy_addr)
-+static int i2c_imx_dma_request(struct imx_i2c_struct *i2c_imx,
-+			       dma_addr_t phy_addr)
- {
- 	struct imx_i2c_dma *dma;
- 	struct dma_slave_config dma_sconfig;
-@@ -379,7 +379,7 @@ static void i2c_imx_dma_request(struct i
- 
- 	dma = devm_kzalloc(dev, sizeof(*dma), GFP_KERNEL);
- 	if (!dma)
--		return;
-+		return -ENOMEM;
- 
- 	dma->chan_tx = dma_request_chan(dev, "tx");
- 	if (IS_ERR(dma->chan_tx)) {
-@@ -424,7 +424,7 @@ static void i2c_imx_dma_request(struct i
- 	dev_info(dev, "using %s (tx) and %s (rx) for DMA transfers\n",
- 		dma_chan_name(dma->chan_tx), dma_chan_name(dma->chan_rx));
- 
--	return;
-+	return 0;
- 
- fail_rx:
- 	dma_release_channel(dma->chan_rx);
-@@ -432,6 +432,8 @@ fail_tx:
- 	dma_release_channel(dma->chan_tx);
- fail_al:
- 	devm_kfree(dev, dma);
-+
-+	return ret;
- }
- 
- static void i2c_imx_dma_callback(void *arg)
-@@ -1633,10 +1635,14 @@ static int i2c_imx_probe(struct platform
- 	dev_info(&i2c_imx->adapter.dev, "IMX I2C adapter registered\n");
- 
- 	/* Init DMA config if supported */
--	i2c_imx_dma_request(i2c_imx, phy_addr);
-+	ret = i2c_imx_dma_request(i2c_imx, phy_addr);
-+	if (ret == -EPROBE_DEFER)
-+		goto i2c_adapter_remove;
- 
- 	return 0;   /* Return OK */
- 
-+i2c_adapter_remove:
-+	i2c_del_adapter(&i2c_imx->adapter);
- clk_notifier_unregister:
- 	clk_notifier_unregister(i2c_imx->clk, &i2c_imx->clk_change_nb);
- 	free_irq(irq, i2c_imx);