diff --git a/patch/kernel/pine64-default/forward-port-fsl-errata.patch b/patch/kernel/pine64-default/backport-fsl-errata.patch
similarity index 100%
rename from patch/kernel/pine64-default/forward-port-fsl-errata.patch
rename to patch/kernel/pine64-default/backport-fsl-errata.patch
diff --git a/patch/kernel/pine64-default/disable-mmc-debug-sysfs.patch b/patch/kernel/pine64-default/disable-mmc-debug-sysfs.patch
new file mode 100644
index 0000000000..a8c15a3b10
--- /dev/null
+++ b/patch/kernel/pine64-default/disable-mmc-debug-sysfs.patch
@@ -0,0 +1,89 @@
+diff --git a/drivers/mmc/host/sunxi-mmc-debug.c b/drivers/mmc/host/sunxi-mmc-debug.c
+index 7d43cd1d..2724c7e7 100755
+--- a/drivers/mmc/host/sunxi-mmc-debug.c
++++ b/drivers/mmc/host/sunxi-mmc-debug.c
+@@ -325,7 +325,7 @@ static ssize_t dump_clk_dly_show(struct device *dev, struct device_attribute *at
+ 	return p-buf;
+ }
+ 
+-
++/*
+ 
+ int mmc_create_sys_fs(struct sunxi_mmc_host* host,struct platform_device *pdev)
+ {
+@@ -388,5 +388,5 @@ void mmc_remove_sys_fs(struct sunxi_mmc_host* host,struct platform_device *pdev)
+ 	device_remove_file(&pdev->dev, &host->dump_clk_dly);
+ }
+ 
+-
++*/
+ 
+diff --git a/drivers/mmc/host/sunxi-mmc-debug.h b/drivers/mmc/host/sunxi-mmc-debug.h
+index c855c8ae..43c60e5f 100755
+--- a/drivers/mmc/host/sunxi-mmc-debug.h
++++ b/drivers/mmc/host/sunxi-mmc-debug.h
+@@ -19,8 +19,8 @@ void sunxi_mmc_dumphex32(struct sunxi_mmc_host* host, char* name, char* base, in
+ void sunxi_mmc_dump_des(struct sunxi_mmc_host* host, char* base, int len);
+ 
+ 
+-int mmc_create_sys_fs(struct sunxi_mmc_host* host,struct platform_device *pdev);
+-void mmc_remove_sys_fs(struct sunxi_mmc_host* host,struct platform_device *pdev);
++/* int mmc_create_sys_fs(struct sunxi_mmc_host* host,struct platform_device *pdev);
++void mmc_remove_sys_fs(struct sunxi_mmc_host* host,struct platform_device *pdev); */
+ void dump_reg(struct sunxi_mmc_host *host);
+ 
+ #endif
+diff --git a/drivers/mmc/host/sunxi-mmc.c b/drivers/mmc/host/sunxi-mmc.c
+index b5a69639..4097a4e0 100755
+--- a/drivers/mmc/host/sunxi-mmc.c
++++ b/drivers/mmc/host/sunxi-mmc.c
+@@ -1522,11 +1522,11 @@ static int sunxi_mmc_probe(struct platform_device *pdev)
+ 	if (ret)
+ 		goto error_free_dma;
+ 
+-	ret = mmc_create_sys_fs(host,pdev);
++/*	ret = mmc_create_sys_fs(host,pdev);
+ 	if(ret){
+ 		dev_err(&pdev->dev, "create sys fs failed\n");
+ 		goto error_free_dma;
+-	}
++	} */
+ 
+ 	dev_info(&pdev->dev, "base:0x%p irq:%u\n", host->reg_base, host->irq);
+ 	platform_set_drvdata(pdev, mmc);
+@@ -1548,7 +1548,7 @@ static int sunxi_mmc_remove(struct platform_device *pdev)
+ 	disable_irq(host->irq);
+ 	sunxi_mmc_reset_host(host);
+ 
+-	mmc_remove_sys_fs(host,pdev);
++/*	mmc_remove_sys_fs(host,pdev); */
+ 
+ 	if (!IS_ERR(mmc->supply.vdmmc))
+ 			regulator_disable(mmc->supply.vdmmc);
+diff --git a/drivers/mmc/host/sunxi-smhc.c b/drivers/mmc/host/sunxi-smhc.c
+index 6474794b..9422c012 100644
+--- a/drivers/mmc/host/sunxi-smhc.c
++++ b/drivers/mmc/host/sunxi-smhc.c
+@@ -1537,11 +1537,11 @@ static int sunxi_mmc_probe(struct platform_device *pdev)
+ 	if (ret)
+ 		goto error_free_dma;
+ 
+-	ret = mmc_create_sys_fs(host,pdev);
++/*	ret = mmc_create_sys_fs(host,pdev);
+ 	if(ret){
+ 		dev_err(&pdev->dev, "create sys fs failed\n");
+ 		goto error_free_dma;
+-	}
++	} */
+ 	
+ 	dev_info(&pdev->dev, "base:0x%p irq:%u\n", host->reg_base, host->irq);
+ 	platform_set_drvdata(pdev, mmc);
+@@ -1563,7 +1563,7 @@ static int sunxi_mmc_remove(struct platform_device *pdev)
+ 	disable_irq(host->irq);
+ //	sunxi_mmc_reset_host(host);
+ 
+-	mmc_remove_sys_fs(host,pdev);
++/*	mmc_remove_sys_fs(host,pdev); */
+ 
+ 	if (!IS_ERR(mmc->supply.vdmmc))
+ 			regulator_disable(mmc->supply.vdmmc);