From fa31377ef0fd1096fbeab9c240582a93c4da9f6d Mon Sep 17 00:00:00 2001 From: Tang Yuantian Date: Thu, 9 Jul 2015 14:37:30 +0800 Subject: [PATCH] ahci: Fix compiling warnings under 64bit platforms When compling under 64bit platforms, there are lots of warnings, like: drivers/block/ahci.c:114:18: warning: cast to pointer from integer of different size [-Wint-to-pointer-cast] u8 *port_mmio = (u8 *)probe_ent->port[port].port_mmio; ^ drivers/block/ahci.c: In function ?.hci_host_init?. drivers/block/ahci.c:218:49: warning: cast from pointer to integer of different size [-Wpointer-to-int-cast] probe_ent->port[i].port_mmio = ahci_port_base((u32) mmio, i); ...... Reviewed-by: Simon Glass Signed-off-by: Shaohui Xie Signed-off-by: Tang Yuantian --- drivers/block/ahci.c | 64 +++++++++++++++++++++----------------- drivers/block/dwc_ahsata.c | 13 +++++--- include/ahci.h | 8 ++--- 3 files changed, 47 insertions(+), 38 deletions(-) diff --git a/drivers/block/ahci.c b/drivers/block/ahci.c index 4fb846ad37..a57f674c52 100644 --- a/drivers/block/ahci.c +++ b/drivers/block/ahci.c @@ -43,13 +43,13 @@ u16 *ataid[AHCI_MAX_PORTS]; #define WAIT_MS_FLUSH 5000 #define WAIT_MS_LINKUP 200 -static inline u32 ahci_port_base(u32 base, u32 port) +static inline void __iomem *ahci_port_base(void __iomem *base, u32 port) { return base + 0x100 + (port * 0x80); } -static void ahci_setup_port(struct ahci_ioports *port, unsigned long base, +static void ahci_setup_port(struct ahci_ioports *port, void __iomem *base, unsigned int port_idx) { base = ahci_port_base(base, port_idx); @@ -61,7 +61,7 @@ static void ahci_setup_port(struct ahci_ioports *port, unsigned long base, #define msleep(a) udelay(a * 1000) -static void ahci_dcache_flush_range(unsigned begin, unsigned len) +static void ahci_dcache_flush_range(unsigned long begin, unsigned long len) { const unsigned long start = begin; const unsigned long end = start + len; @@ -75,7 +75,7 @@ static void ahci_dcache_flush_range(unsigned begin, unsigned len) * controller is invalidated from dcache; next access comes from * physical RAM. */ -static void ahci_dcache_invalidate_range(unsigned begin, unsigned len) +static void ahci_dcache_invalidate_range(unsigned long begin, unsigned long len) { const unsigned long start = begin; const unsigned long end = start + len; @@ -94,7 +94,7 @@ static void ahci_dcache_flush_sata_cmd(struct ahci_ioports *pp) AHCI_PORT_PRIV_DMA_SZ); } -static int waiting_for_cmd_completed(volatile u8 *offset, +static int waiting_for_cmd_completed(void __iomem *offset, int timeout_msec, u32 sign) { @@ -111,7 +111,7 @@ int __weak ahci_link_up(struct ahci_probe_ent *probe_ent, u8 port) { u32 tmp; int j = 0; - u8 *port_mmio = (u8 *)probe_ent->port[port].port_mmio; + void __iomem *port_mmio = probe_ent->port[port].port_mmio; /* * Bring up SATA link. @@ -131,7 +131,7 @@ int __weak ahci_link_up(struct ahci_probe_ent *probe_ent, u8 port) #ifdef CONFIG_SUNXI_AHCI /* The sunxi AHCI controller requires this undocumented setup */ -static void sunxi_dma_init(volatile u8 *port_mmio) +static void sunxi_dma_init(void __iomem *port_mmio) { clrsetbits_le32(port_mmio + PORT_P0DMACR, 0x0000ff00, 0x00004400); } @@ -171,10 +171,10 @@ static int ahci_host_init(struct ahci_probe_ent *probe_ent) u16 tmp16; unsigned short vendor; #endif - volatile u8 *mmio = (volatile u8 *)probe_ent->mmio_base; + void __iomem *mmio = probe_ent->mmio_base; u32 tmp, cap_save, cmd; int i, j, ret; - volatile u8 *port_mmio; + void __iomem *port_mmio; u32 port_map; debug("ahci_host_init: start\n"); @@ -215,9 +215,9 @@ static int ahci_host_init(struct ahci_probe_ent *probe_ent) for (i = 0; i < probe_ent->n_ports; i++) { if (!(port_map & (1 << i))) continue; - probe_ent->port[i].port_mmio = ahci_port_base((u32) mmio, i); + probe_ent->port[i].port_mmio = ahci_port_base(mmio, i); port_mmio = (u8 *) probe_ent->port[i].port_mmio; - ahci_setup_port(&probe_ent->port[i], (unsigned long)mmio, i); + ahci_setup_port(&probe_ent->port[i], mmio, i); /* make sure port is not active */ tmp = readl(port_mmio + PORT_CMD); @@ -329,7 +329,7 @@ static void ahci_print_info(struct ahci_probe_ent *probe_ent) pci_dev_t pdev = probe_ent->dev; u16 cc; #endif - volatile u8 *mmio = (volatile u8 *)probe_ent->mmio_base; + void __iomem *mmio = probe_ent->mmio_base; u32 vers, cap, cap2, impl, speed; const char *speed_s; const char *scc_s; @@ -462,7 +462,7 @@ static int ahci_fill_sg(u8 port, unsigned char *buf, int buf_len) for (i = 0; i < sg_count; i++) { ahci_sg->addr = - cpu_to_le32((u32) buf + i * MAX_DATA_BYTE_COUNT); + cpu_to_le32((unsigned long) buf + i * MAX_DATA_BYTE_COUNT); ahci_sg->addr_hi = 0; ahci_sg->flags_size = cpu_to_le32(0x3fffff & (buf_len < MAX_DATA_BYTE_COUNT @@ -480,8 +480,11 @@ static void ahci_fill_cmd_slot(struct ahci_ioports *pp, u32 opts) { pp->cmd_slot->opts = cpu_to_le32(opts); pp->cmd_slot->status = 0; - pp->cmd_slot->tbl_addr = cpu_to_le32(pp->cmd_tbl & 0xffffffff); - pp->cmd_slot->tbl_addr_hi = 0; + pp->cmd_slot->tbl_addr = cpu_to_le32((u32)pp->cmd_tbl & 0xffffffff); +#ifdef CONFIG_PHYS_64BIT + pp->cmd_slot->tbl_addr_hi = + cpu_to_le32((u32)(((pp->cmd_tbl) >> 16) >> 16)); +#endif } @@ -489,7 +492,7 @@ static void ahci_fill_cmd_slot(struct ahci_ioports *pp, u32 opts) static void ahci_set_feature(u8 port) { struct ahci_ioports *pp = &(probe_ent->port[port]); - volatile u8 *port_mmio = (volatile u8 *)pp->port_mmio; + void __iomem *port_mmio = pp->port_mmio; u32 cmd_fis_len = 5; /* five dwords */ u8 fis[20]; @@ -514,7 +517,7 @@ static void ahci_set_feature(u8 port) } #endif -static int wait_spinup(volatile u8 *port_mmio) +static int wait_spinup(void __iomem *port_mmio) { ulong start; u32 tf_data; @@ -532,9 +535,9 @@ static int wait_spinup(volatile u8 *port_mmio) static int ahci_port_start(u8 port) { struct ahci_ioports *pp = &(probe_ent->port[port]); - volatile u8 *port_mmio = (volatile u8 *)pp->port_mmio; + void __iomem *port_mmio = pp->port_mmio; u32 port_status; - u32 mem; + void __iomem *mem; debug("Enter start port: %d\n", port); port_status = readl(port_mmio + PORT_SCR_STAT); @@ -544,15 +547,16 @@ static int ahci_port_start(u8 port) return -1; } - mem = (u32) malloc(AHCI_PORT_PRIV_DMA_SZ + 2048); + mem = malloc(AHCI_PORT_PRIV_DMA_SZ + 2048); if (!mem) { free(pp); printf("%s: No mem for table!\n", __func__); return -ENOMEM; } - mem = (mem + 0x800) & (~0x7ff); /* Aligned to 2048-bytes */ - memset((u8 *) mem, 0, AHCI_PORT_PRIV_DMA_SZ); + /* Aligned to 2048-bytes */ + mem = memalign(2048, AHCI_PORT_PRIV_DMA_SZ); + memset(mem, 0, AHCI_PORT_PRIV_DMA_SZ); /* * First item in chunk of DMA memory: 32-slot command table, @@ -560,7 +564,7 @@ static int ahci_port_start(u8 port) */ pp->cmd_slot = (struct ahci_cmd_hdr *)(uintptr_t)virt_to_phys((void *)mem); - debug("cmd_slot = 0x%x\n", (unsigned)pp->cmd_slot); + debug("cmd_slot = %p\n", pp->cmd_slot); mem += (AHCI_CMD_SLOT_SZ + 224); /* @@ -574,13 +578,14 @@ static int ahci_port_start(u8 port) * and its scatter-gather table */ pp->cmd_tbl = virt_to_phys((void *)mem); - debug("cmd_tbl_dma = 0x%x\n", pp->cmd_tbl); + debug("cmd_tbl_dma = %lx\n", pp->cmd_tbl); mem += AHCI_CMD_TBL_HDR; pp->cmd_tbl_sg = (struct ahci_sg *)(uintptr_t)virt_to_phys((void *)mem); - writel_with_flush((u32) pp->cmd_slot, port_mmio + PORT_LST_ADDR); + writel_with_flush((unsigned long)pp->cmd_slot, + port_mmio + PORT_LST_ADDR); writel_with_flush(pp->rx_fis, port_mmio + PORT_FIS_ADDR); @@ -607,7 +612,7 @@ static int ahci_device_data_io(u8 port, u8 *fis, int fis_len, u8 *buf, { struct ahci_ioports *pp = &(probe_ent->port[port]); - volatile u8 *port_mmio = (volatile u8 *)pp->port_mmio; + void __iomem *port_mmio = pp->port_mmio; u32 opts; u32 port_status; int sg_count; @@ -632,7 +637,7 @@ static int ahci_device_data_io(u8 port, u8 *fis, int fis_len, u8 *buf, ahci_fill_cmd_slot(pp, opts); ahci_dcache_flush_sata_cmd(pp); - ahci_dcache_flush_range((unsigned)buf, (unsigned)buf_len); + ahci_dcache_flush_range((unsigned long)buf, (unsigned long)buf_len); writel_with_flush(1, port_mmio + PORT_CMD_ISSUE); @@ -642,7 +647,8 @@ static int ahci_device_data_io(u8 port, u8 *fis, int fis_len, u8 *buf, return -1; } - ahci_dcache_invalidate_range((unsigned)buf, (unsigned)buf_len); + ahci_dcache_invalidate_range((unsigned long)buf, + (unsigned long)buf_len); debug("%s: %d byte transferred.\n", __func__, pp->cmd_slot->status); return 0; @@ -1026,7 +1032,7 @@ static int ata_io_flush(u8 port) { u8 fis[20]; struct ahci_ioports *pp = &(probe_ent->port[port]); - volatile u8 *port_mmio = (volatile u8 *)pp->port_mmio; + void __iomem *port_mmio = pp->port_mmio; u32 cmd_fis_len = 5; /* five dwords */ /* Preset the FIS */ diff --git a/drivers/block/dwc_ahsata.c b/drivers/block/dwc_ahsata.c index cf3ef6be62..bc072f335f 100644 --- a/drivers/block/dwc_ahsata.c +++ b/drivers/block/dwc_ahsata.c @@ -80,7 +80,7 @@ struct sata_host_regs { static int is_ready; -static inline u32 ahci_port_base(u32 base, u32 port) +static inline void __iomem *ahci_port_base(void __iomem *base, u32 port) { return base + 0x100 + (port * 0x80); } @@ -167,7 +167,7 @@ static int ahci_host_init(struct ahci_probe_ent *probe_ent) for (i = 0; i < probe_ent->n_ports; i++) { probe_ent->port[i].port_mmio = - ahci_port_base((u32)host_mmio, i); + ahci_port_base(host_mmio, i); port_mmio = (struct sata_port_regs *)probe_ent->port[i].port_mmio; @@ -399,8 +399,11 @@ static void ahci_fill_cmd_slot(struct ahci_ioports *pp, u32 cmd_slot, u32 opts) memset(cmd_hdr, 0, AHCI_CMD_SLOT_SZ); cmd_hdr->opts = cpu_to_le32(opts); cmd_hdr->status = 0; - cmd_hdr->tbl_addr = cpu_to_le32(pp->cmd_tbl & 0xffffffff); - cmd_hdr->tbl_addr_hi = 0; + pp->cmd_slot->tbl_addr = cpu_to_le32((u32)pp->cmd_tbl & 0xffffffff); +#ifdef CONFIG_PHYS_64BIT + pp->cmd_slot->tbl_addr_hi = + cpu_to_le32((u32)(((pp->cmd_tbl) >> 16) >> 16)); +#endif } #define AHCI_GET_CMD_SLOT(c) ((c) ? ffs(c) : 0) @@ -520,7 +523,7 @@ static int ahci_port_start(struct ahci_probe_ent *probe_ent, * and its scatter-gather table */ pp->cmd_tbl = mem; - debug("cmd_tbl_dma = 0x%x\n", pp->cmd_tbl); + debug("cmd_tbl_dma = 0x%lx\n", pp->cmd_tbl); mem += AHCI_CMD_TBL_HDR; diff --git a/include/ahci.h b/include/ahci.h index 6d917121c6..0bdedac187 100644 --- a/include/ahci.h +++ b/include/ahci.h @@ -135,12 +135,12 @@ struct ahci_sg { }; struct ahci_ioports { - u32 cmd_addr; - u32 scr_addr; - u32 port_mmio; + void __iomem *cmd_addr; + void __iomem *scr_addr; + void __iomem *port_mmio; struct ahci_cmd_hdr *cmd_slot; struct ahci_sg *cmd_tbl_sg; - u32 cmd_tbl; + ulong cmd_tbl; u32 rx_fis; }; -- 2.39.5