video: driver: add resource ops macro support

Added call_res_op() macro and used at all possible
places to avoid invalid pointer dereference issue.

Also added changes to cleanup unused functions.

Change-Id: Id77711ad9eaf7b407208567b0fde1f2693588641
Signed-off-by: Govindaraj Rajagopal <quic_grajagop@quicinc.com>

driver/platform/common/inc/msm_vidc_platform.h

@@ -231,6 +231,5 @@ static inline bool is_mmrm_supported(struct msm_vidc_core *core)
 
 int msm_vidc_init_platform(struct platform_device *pdev);
 int msm_vidc_deinit_platform(struct platform_device *pdev);
-int msm_vidc_read_efuse(struct msm_vidc_core *core);
 
 #endif // _MSM_VIDC_PLATFORM_H_

driver/platform/common/src/msm_vidc_platform.c

@@ -6,7 +6,6 @@
 
 #include <linux/io.h>
 #include <linux/of.h>
-#include <soc/qcom/of_common.h>
 
 #include "msm_vidc_platform.h"
 #include "msm_vidc_debug.h"
@@ -447,51 +446,3 @@ int msm_vidc_init_platform(struct platform_device *pdev)
 
 	return rc;
 }
-
-int msm_vidc_read_efuse(struct msm_vidc_core *core)
-{
-	int rc = 0;
-	void __iomem *base;
-	u32 i = 0, efuse = 0, efuse_data_count = 0;
-	struct msm_vidc_efuse_data *efuse_data = NULL;
-	struct msm_vidc_platform_data *platform_data;
-
-	if (!core || !core->platform || !core->pdev) {
-		d_vpr_e("%s: invalid params\n", __func__);
-		return -EINVAL;
-	}
-
-	platform_data = &core->platform->data;
-	efuse_data = platform_data->efuse_data;
-	efuse_data_count = platform_data->efuse_data_size;
-
-	if (!efuse_data)
-		return 0;
-
-	for (i = 0; i < efuse_data_count; i++) {
-		switch (efuse_data[i].purpose) {
-		case SKU_VERSION:
-			base = devm_ioremap(&core->pdev->dev, efuse_data[i].start_address,
-					efuse_data[i].size);
-			if (!base) {
-				d_vpr_e("failed efuse: start %#x, size %d\n",
-					efuse_data[i].start_address,
-					efuse_data[i].size);
-				return -EINVAL;
-			}
-			efuse = readl_relaxed(base);
-			platform_data->sku_version =
-					(efuse & efuse_data[i].mask) >>
-					efuse_data[i].shift;
-			break;
-		default:
-			break;
-		}
-		if (platform_data->sku_version) {
-			d_vpr_h("efuse 0x%x, platform version 0x%x\n",
-				efuse, platform_data->sku_version);
-			break;
-		}
-	}
-	return rc;
-}