[bluefield] Fix BF drivers compilation under 5.10 Kernel.

platform/nvidia-bluefield/i2c-mlxbf/Makefile

@@ -29,6 +29,8 @@ $(addprefix $(DEST)/, $(MLXBF_I2C_DRIVER)): $(DEST)/% :
 
 	pushd ${MLXBF_I2C}
 
+	patch -p1 < ../ioremap.patch
+
 	# Build the package
 ifeq ($(CROSS_BUILD_ENVIRON), y)
 	CONFIG_SITE=/etc/dpkg-cross/cross-config.$(CONFIGURED_ARCH) LD_LIBRARY_PATH=$(CROSS_LIB_PATH) KVER=$(KVERSION) WITH_DKMS=0 dpkg-buildpackage -rfakeroot -us -uc -b -a$(CONFIGURED_ARCH) -Pcross,nocheck -j$(SONIC_CONFIG_MAKE_JOBS) --admindir $(SONIC_DPKG_ADMINDIR)

platform/nvidia-bluefield/i2c-mlxbf/ioremap.patch

@@ -0,0 +1,49 @@
+diff --git a/i2c-mlxbf.c b/i2c-mlxbf.c
+index 05c3025..6fdd865 100644
+--- a/i2c-mlxbf.c
++++ b/i2c-mlxbf.c
+@@ -20,6 +20,8 @@
+ #include <linux/acpi.h>
+ #include <linux/mutex.h>
+
++#include <linux/version.h>
++
+ /* Defines what functionality is present */
+ #define MLX_I2C_FUNC_SMBUS_BLOCK \
+ 	(I2C_FUNC_SMBUS_BLOCK_DATA | I2C_FUNC_SMBUS_BLOCK_PROC_CALL)
+@@ -1396,7 +1398,11 @@ static int mlx_i2c_get_gpio(struct platform_device *pdev,
+ 	if (!devm_request_mem_region(dev, params->start, size, params->name))
+ 		return -EFAULT;
+
++#if LINUX_VERSION_CODE >= KERNEL_VERSION(5, 9, 0)
++	gpio_res->io = devm_ioremap(dev, params->start, size);
++#else
+ 	gpio_res->io = devm_ioremap_nocache(dev, params->start, size);
++#endif
+ 	if (IS_ERR(gpio_res->io)) {
+ 		devm_release_mem_region(dev, params->start, size);
+ 		return PTR_ERR(gpio_res->io);
+@@ -1460,7 +1466,11 @@ static int mlx_i2c_get_corepll(struct platform_device *pdev,
+ 	if (!devm_request_mem_region(dev, params->start, size, params->name))
+ 		return -EFAULT;
+
++#if LINUX_VERSION_CODE >= KERNEL_VERSION(5, 9, 0)
++	corepll_res->io = devm_ioremap(dev, params->start, size);
++#else
+ 	corepll_res->io = devm_ioremap_nocache(dev, params->start, size);
++#endif
+ 	if (IS_ERR(corepll_res->io)) {
+ 		devm_release_mem_region(dev, params->start, size);
+ 		return PTR_ERR(corepll_res->io);
+@@ -1813,7 +1823,11 @@ static int mlx_i2c_init_coalesce(struct platform_device *pdev,
+ 		if (!request_mem_region(params->start, size, params->name))
+ 			return -EFAULT;
+
++#if LINUX_VERSION_CODE >= KERNEL_VERSION(5, 6, 0)
++		coalesce_res->io = ioremap(params->start, size);
++#else
+ 		coalesce_res->io = ioremap_nocache(params->start, size);
++#endif
+ 		if (IS_ERR(coalesce_res->io)) {
+ 			release_mem_region(params->start, size);
+ 			return PTR_ERR(coalesce_res->io);

platform/nvidia-bluefield/mlxbf-pka/Makefile

@@ -30,6 +30,8 @@ $(addprefix $(DEST)/, $(MLXBF_PKA_DRIVER)): $(DEST)/% :
 
 	pushd ${MLXBF_PKA}
 
+	patch -p1 < ../ioremap.patch
+
 	# Build the package
 ifeq ($(CROSS_BUILD_ENVIRON), y)
 	make -C /lib/modules/$(KVERSION)/build ARCH=arm64 CROSS_COMPILE=aarch64-linux-gnu- M=$(MODULE_DIR)

platform/nvidia-bluefield/mlxbf-pka/ioremap.patch

@@ -0,0 +1,24 @@
+diff --git a/pka_dev.c b/pka_dev.c
+index a084713..93032be 100644
+--- a/pka_dev.c
++++ b/pka_dev.c
+@@ -38,6 +38,7 @@
+ #include <linux/ioport.h>
+ #include <linux/timex.h>
+ #include <linux/vfio.h>
++#include <linux/version.h>
+ #else
+ #include <stdint.h>
+ #include <string.h>
+@@ -239,7 +240,11 @@ static int pka_dev_set_resource_config(pka_dev_shim_t *shim,
+             return -EPERM;
+         }
+
++#if LINUX_VERSION_CODE >= KERNEL_VERSION(5, 6, 0)
++        res_ptr->ioaddr = ioremap(res_ptr->base, res_ptr->size);
++#else
+         res_ptr->ioaddr = ioremap_nocache(res_ptr->base, res_ptr->size);
++#endif
+     }
+
+     res_ptr->status = PKA_DEV_RES_STATUS_MAPPED;