Rather than using the platform device pointer field in the IPA pointer, pass a platform device pointer to ipa_mem_init(). Use that pointer throughout that function. Signed-off-by: Alex Elder <elder@xxxxxxxxxx> --- drivers/net/ipa/ipa_main.c | 2 +- drivers/net/ipa/ipa_mem.c | 13 +++++++------ drivers/net/ipa/ipa_mem.h | 5 ++++- 3 files changed, 12 insertions(+), 8 deletions(-) diff --git a/drivers/net/ipa/ipa_main.c b/drivers/net/ipa/ipa_main.c index 5c9c1b0ef8de5..17ee075370ce6 100644 --- a/drivers/net/ipa/ipa_main.c +++ b/drivers/net/ipa/ipa_main.c @@ -870,7 +870,7 @@ static int ipa_probe(struct platform_device *pdev) if (ret) goto err_kfree_ipa; - ret = ipa_mem_init(ipa, data->mem_data); + ret = ipa_mem_init(ipa, pdev, data->mem_data); if (ret) goto err_reg_exit; diff --git a/drivers/net/ipa/ipa_mem.c b/drivers/net/ipa/ipa_mem.c index 694960537ecda..d7df7d340221d 100644 --- a/drivers/net/ipa/ipa_mem.c +++ b/drivers/net/ipa/ipa_mem.c @@ -9,6 +9,7 @@ #include <linux/bug.h> #include <linux/dma-mapping.h> #include <linux/iommu.h> +#include <linux/platform_device.h> #include <linux/io.h> #include <linux/soc/qcom/smem.h> @@ -75,9 +76,9 @@ ipa_mem_zero_region_add(struct gsi_trans *trans, enum ipa_mem_id mem_id) int ipa_mem_setup(struct ipa *ipa) { dma_addr_t addr = ipa->zero_addr; - const struct reg *reg; const struct ipa_mem *mem; struct gsi_trans *trans; + const struct reg *reg; u32 offset; u16 size; u32 val; @@ -615,9 +616,10 @@ static void ipa_smem_exit(struct ipa *ipa) } /* Perform memory region-related initialization */ -int ipa_mem_init(struct ipa *ipa, const struct ipa_mem_data *mem_data) +int ipa_mem_init(struct ipa *ipa, struct platform_device *pdev, + const struct ipa_mem_data *mem_data) { - struct device *dev = &ipa->pdev->dev; + struct device *dev = &pdev->dev; struct resource *res; int ret; @@ -634,14 +636,13 @@ int ipa_mem_init(struct ipa *ipa, const struct ipa_mem_data *mem_data) if (!ipa_table_mem_valid(ipa, true)) return -EINVAL; - ret = dma_set_mask_and_coherent(&ipa->pdev->dev, DMA_BIT_MASK(64)); + ret = dma_set_mask_and_coherent(dev, DMA_BIT_MASK(64)); if (ret) { dev_err(dev, "error %d setting DMA mask\n", ret); return ret; } - res = platform_get_resource_byname(ipa->pdev, IORESOURCE_MEM, - "ipa-shared"); + res = platform_get_resource_byname(pdev, IORESOURCE_MEM, "ipa-shared"); if (!res) { dev_err(dev, "DT error getting \"ipa-shared\" memory property\n"); diff --git a/drivers/net/ipa/ipa_mem.h b/drivers/net/ipa/ipa_mem.h index 868e9c20e8c41..28aad00a151da 100644 --- a/drivers/net/ipa/ipa_mem.h +++ b/drivers/net/ipa/ipa_mem.h @@ -6,6 +6,8 @@ #ifndef _IPA_MEM_H_ #define _IPA_MEM_H_ +struct platform_device; + struct ipa; struct ipa_mem_data; @@ -100,7 +102,8 @@ int ipa_mem_setup(struct ipa *ipa); /* No ipa_mem_teardown() needed */ int ipa_mem_zero_modem(struct ipa *ipa); -int ipa_mem_init(struct ipa *ipa, const struct ipa_mem_data *mem_data); +int ipa_mem_init(struct ipa *ipa, struct platform_device *pdev, + const struct ipa_mem_data *mem_data); void ipa_mem_exit(struct ipa *ipa); #endif /* _IPA_MEM_H_ */ -- 2.40.1