From 4854afe32fa7650c93e4fe97117bb144ea6915cf Mon Sep 17 00:00:00 2001 From: Bart Van Assche Date: Thu, 17 Aug 2017 13:12:59 -0700 Subject: [PATCH] skd: Fix endianness annotations Ensure that sparse does not report any warnings when building the skd driver with sparse verification enabled (C=1 or C=2). Signed-off-by: Bart Van Assche Cc: Christoph Hellwig Cc: Hannes Reinecke Cc: Johannes Thumshirn Signed-off-by: Jens Axboe --- drivers/block/skd_main.c | 14 ++++++-------- drivers/block/skd_s1120.h | 18 +++++++++--------- 2 files changed, 15 insertions(+), 17 deletions(-) diff --git a/drivers/block/skd_main.c b/drivers/block/skd_main.c index 5174303d7db7..5a69e3288ab7 100644 --- a/drivers/block/skd_main.c +++ b/drivers/block/skd_main.c @@ -512,7 +512,7 @@ static void skd_request_fn(struct request_queue *q) u32 lba; u32 count; int data_dir; - u64 be_dmaa; + __be64 be_dmaa; u64 cmdctxt; u32 timo_slot; void *cmd_ptr; @@ -645,7 +645,7 @@ static void skd_request_fn(struct request_queue *q) cmd_ptr = &skmsg->msg_buf[skmsg->length]; memset(cmd_ptr, 0, 32); - be_dmaa = cpu_to_be64((u64)skreq->sksg_dma_address); + be_dmaa = cpu_to_be64(skreq->sksg_dma_address); cmdctxt = skreq->id + SKD_ID_INCR; scsi_req = cmd_ptr; @@ -2402,9 +2402,7 @@ static void skd_do_inq_page_00(struct skd_device *skdev, /* SCSI byte order increment of num_returned_bytes by 1 */ skcomp->num_returned_bytes = - be32_to_cpu(skcomp->num_returned_bytes) + 1; - skcomp->num_returned_bytes = - be32_to_cpu(skcomp->num_returned_bytes); + cpu_to_be32(be32_to_cpu(skcomp->num_returned_bytes) + 1); } /* update page length field to reflect the driver's page too */ @@ -2502,7 +2500,7 @@ static void skd_do_inq_page_da(struct skd_device *skdev, memcpy(buf, &inq, min_t(unsigned, max_bytes, sizeof(inq))); skcomp->num_returned_bytes = - be32_to_cpu(min_t(uint16_t, max_bytes, sizeof(inq))); + cpu_to_be32(min_t(uint16_t, max_bytes, sizeof(inq))); } static void skd_do_driver_inq(struct skd_device *skdev, @@ -4674,7 +4672,7 @@ static void skd_pci_remove(struct pci_dev *pdev) for (i = 0; i < SKD_MAX_BARS; i++) if (skdev->mem_map[i]) - iounmap((u32 *)skdev->mem_map[i]); + iounmap(skdev->mem_map[i]); if (skdev->pcie_error_reporting_is_enabled) pci_disable_pcie_error_reporting(pdev); @@ -4705,7 +4703,7 @@ static int skd_pci_suspend(struct pci_dev *pdev, pm_message_t state) for (i = 0; i < SKD_MAX_BARS; i++) if (skdev->mem_map[i]) - iounmap((u32 *)skdev->mem_map[i]); + iounmap(skdev->mem_map[i]); if (skdev->pcie_error_reporting_is_enabled) pci_disable_pcie_error_reporting(pdev); diff --git a/drivers/block/skd_s1120.h b/drivers/block/skd_s1120.h index 82ce34454dbf..f69d3d97744d 100644 --- a/drivers/block/skd_s1120.h +++ b/drivers/block/skd_s1120.h @@ -248,7 +248,7 @@ struct fit_msg_hdr { * 20-23 of the FIT_MTD_FITFW_INIT response. */ struct fit_completion_entry_v1 { - uint32_t num_returned_bytes; + __be32 num_returned_bytes; uint16_t tag; uint8_t status; /* SCSI status */ uint8_t cycle; @@ -290,11 +290,11 @@ struct fit_comp_error_info { * Version one has the last 32 bits sg_list_len_bytes; */ struct skd_command_header { - uint64_t sg_list_dma_address; + __be64 sg_list_dma_address; uint16_t tag; uint8_t attribute; uint8_t add_cdb_len; /* In 32 bit words */ - uint32_t sg_list_len_bytes; + __be32 sg_list_len_bytes; }; struct skd_scsi_request { @@ -307,16 +307,16 @@ struct driver_inquiry_data { uint8_t peripheral_device_type:5; uint8_t qualifier:3; uint8_t page_code; - uint16_t page_length; - uint16_t pcie_bus_number; + __be16 page_length; + __be16 pcie_bus_number; uint8_t pcie_device_number; uint8_t pcie_function_number; uint8_t pcie_link_speed; uint8_t pcie_link_lanes; - uint16_t pcie_vendor_id; - uint16_t pcie_device_id; - uint16_t pcie_subsystem_vendor_id; - uint16_t pcie_subsystem_device_id; + __be16 pcie_vendor_id; + __be16 pcie_device_id; + __be16 pcie_subsystem_vendor_id; + __be16 pcie_subsystem_device_id; uint8_t reserved1[2]; uint8_t reserved2[3]; uint8_t driver_version_length; -- 2.20.1