From d8313ce0f148e648d4e515db5d2c65bbd44fe29e Mon Sep 17 00:00:00 2001 From: Dhananjay Phadke Date: Tue, 17 Feb 2009 20:26:44 -0800 Subject: [PATCH] netxen: fix sparse warnings Fix following sparse warnings (multiple instances) warning: restricted degrades to integer warning: cast to restricted type warning: incorrect type in argument 3 (different signedness) warning: context imbalance in 'netxen_nic_hw_write_wx_2M' - different lock contexts for basic block Signed-off-by: Dhananjay Phadke Signed-off-by: David S. Miller --- drivers/net/netxen/netxen_nic_hw.c | 179 ++++++++--------------------- drivers/net/netxen/netxen_nic_hw.h | 24 ---- 2 files changed, 47 insertions(+), 156 deletions(-) diff --git a/drivers/net/netxen/netxen_nic_hw.c b/drivers/net/netxen/netxen_nic_hw.c index 821cff68b3f3..81f55e1a34d9 100644 --- a/drivers/net/netxen/netxen_nic_hw.c +++ b/drivers/net/netxen/netxen_nic_hw.c @@ -936,13 +936,12 @@ netxen_nic_pci_set_crbwindow_2M(struct netxen_adapter *adapter, ulong *off) u32 win_read; adapter->crb_win = CRB_HI(*off); - writel(adapter->crb_win, (void *)(CRB_WINDOW_2M + - adapter->ahw.pci_base0)); + writel(adapter->crb_win, (adapter->ahw.pci_base0 + CRB_WINDOW_2M)); /* * Read back value to make sure write has gone through before trying * to use it. */ - win_read = readl((void *)(CRB_WINDOW_2M + adapter->ahw.pci_base0)); + win_read = readl(adapter->ahw.pci_base0 + CRB_WINDOW_2M); if (win_read != adapter->crb_win) { printk(KERN_ERR "%s: Written crbwin (0x%x) != " "Read crbwin (0x%x), off=0x%lx\n", @@ -992,6 +991,8 @@ netxen_nic_hw_write_wx_128M(struct netxen_adapter *adapter, { void __iomem *addr; + BUG_ON(len != 4); + if (ADDR_IN_WINDOW1(off)) { addr = NETXEN_CRB_NORMALIZE(adapter, off); } else { /* Window 0 */ @@ -999,37 +1000,13 @@ netxen_nic_hw_write_wx_128M(struct netxen_adapter *adapter, netxen_nic_pci_change_crbwindow_128M(adapter, 0); } - DPRINTK(INFO, "writing to base %lx offset %llx addr %p" - " data %llx len %d\n", - pci_base(adapter, off), off, addr, - *(unsigned long long *)data, len); if (!addr) { netxen_nic_pci_change_crbwindow_128M(adapter, 1); return 1; } - switch (len) { - case 1: - writeb(*(u8 *) data, addr); - break; - case 2: - writew(*(u16 *) data, addr); - break; - case 4: - writel(*(u32 *) data, addr); - break; - case 8: - writeq(*(u64 *) data, addr); - break; - default: - DPRINTK(INFO, - "writing data %lx to offset %llx, num words=%d\n", - *(unsigned long *)data, off, (len >> 3)); + writel(*(u32 *) data, addr); - netxen_nic_hw_block_write64((u64 __iomem *) data, addr, - (len >> 3)); - break; - } if (!ADDR_IN_WINDOW1(off)) netxen_nic_pci_change_crbwindow_128M(adapter, 1); @@ -1042,6 +1019,8 @@ netxen_nic_hw_read_wx_128M(struct netxen_adapter *adapter, { void __iomem *addr; + BUG_ON(len != 4); + if (ADDR_IN_WINDOW1(off)) { /* Window 1 */ addr = NETXEN_CRB_NORMALIZE(adapter, off); } else { /* Window 0 */ @@ -1049,31 +1028,12 @@ netxen_nic_hw_read_wx_128M(struct netxen_adapter *adapter, netxen_nic_pci_change_crbwindow_128M(adapter, 0); } - DPRINTK(INFO, "reading from base %lx offset %llx addr %p\n", - pci_base(adapter, off), off, addr); if (!addr) { netxen_nic_pci_change_crbwindow_128M(adapter, 1); return 1; } - switch (len) { - case 1: - *(u8 *) data = readb(addr); - break; - case 2: - *(u16 *) data = readw(addr); - break; - case 4: - *(u32 *) data = readl(addr); - break; - case 8: - *(u64 *) data = readq(addr); - break; - default: - netxen_nic_hw_block_read64((u64 __iomem *) data, addr, - (len >> 3)); - break; - } - DPRINTK(INFO, "read %lx\n", *(unsigned long *)data); + + *(u32 *)data = readl(addr); if (!ADDR_IN_WINDOW1(off)) netxen_nic_pci_change_crbwindow_128M(adapter, 1); @@ -1088,6 +1048,8 @@ netxen_nic_hw_write_wx_2M(struct netxen_adapter *adapter, unsigned long flags = 0; int rv; + BUG_ON(len != 4); + rv = netxen_nic_pci_get_crb_addr_2M(adapter, &off, len); if (rv == -1) { @@ -1101,34 +1063,12 @@ netxen_nic_hw_write_wx_2M(struct netxen_adapter *adapter, write_lock_irqsave(&adapter->adapter_lock, flags); crb_win_lock(adapter); netxen_nic_pci_set_crbwindow_2M(adapter, &off); - } - - DPRINTK(1, INFO, "write data %lx to offset %llx, len=%d\n", - *(unsigned long *)data, off, len); - - switch (len) { - case 1: - writeb(*(uint8_t *)data, (void *)off); - break; - case 2: - writew(*(uint16_t *)data, (void *)off); - break; - case 4: - writel(*(uint32_t *)data, (void *)off); - break; - case 8: - writeq(*(uint64_t *)data, (void *)off); - break; - default: - DPRINTK(1, INFO, - "writing data %lx to offset %llx, num words=%d\n", - *(unsigned long *)data, off, (len>>3)); - break; - } - if (rv == 1) { + writel(*(uint32_t *)data, (void __iomem *)off); crb_win_unlock(adapter); write_unlock_irqrestore(&adapter->adapter_lock, flags); - } + } else + writel(*(uint32_t *)data, (void __iomem *)off); + return 0; } @@ -1140,6 +1080,8 @@ netxen_nic_hw_read_wx_2M(struct netxen_adapter *adapter, unsigned long flags = 0; int rv; + BUG_ON(len != 4); + rv = netxen_nic_pci_get_crb_addr_2M(adapter, &off, len); if (rv == -1) { @@ -1153,33 +1095,11 @@ netxen_nic_hw_read_wx_2M(struct netxen_adapter *adapter, write_lock_irqsave(&adapter->adapter_lock, flags); crb_win_lock(adapter); netxen_nic_pci_set_crbwindow_2M(adapter, &off); - } - - DPRINTK(1, INFO, "read from offset %lx, len=%d\n", off, len); - - switch (len) { - case 1: - *(uint8_t *)data = readb((void *)off); - break; - case 2: - *(uint16_t *)data = readw((void *)off); - break; - case 4: - *(uint32_t *)data = readl((void *)off); - break; - case 8: - *(uint64_t *)data = readq((void *)off); - break; - default: - break; - } - - DPRINTK(1, INFO, "read %lx\n", *(unsigned long *)data); - - if (rv == 1) { + *(uint32_t *)data = readl((void __iomem *)off); crb_win_unlock(adapter); write_unlock_irqrestore(&adapter->adapter_lock, flags); - } + } else + *(uint32_t *)data = readl((void __iomem *)off); return 0; } @@ -1441,10 +1361,9 @@ static int netxen_nic_pci_mem_read_direct(struct netxen_adapter *adapter, u64 off, void *data, int size) { unsigned long flags; - void *addr; + void __iomem *addr, *mem_ptr = NULL; int ret = 0; u64 start; - uint8_t *mem_ptr = NULL; unsigned long mem_base; unsigned long mem_page; @@ -1464,7 +1383,7 @@ static int netxen_nic_pci_mem_read_direct(struct netxen_adapter *adapter, return -1; } - addr = (void *)(pci_base_offset(adapter, start)); + addr = pci_base_offset(adapter, start); if (!addr) { write_unlock_irqrestore(&adapter->adapter_lock, flags); mem_base = pci_resource_start(adapter->pdev, 0); @@ -1503,7 +1422,6 @@ static int netxen_nic_pci_mem_read_direct(struct netxen_adapter *adapter, break; } write_unlock_irqrestore(&adapter->adapter_lock, flags); - DPRINTK(1, INFO, "read %llx\n", *(unsigned long long *)data); if (mem_ptr) iounmap(mem_ptr); @@ -1515,10 +1433,9 @@ netxen_nic_pci_mem_write_direct(struct netxen_adapter *adapter, u64 off, void *data, int size) { unsigned long flags; - void *addr; + void __iomem *addr, *mem_ptr = NULL; int ret = 0; u64 start; - uint8_t *mem_ptr = NULL; unsigned long mem_base; unsigned long mem_page; @@ -1538,7 +1455,7 @@ netxen_nic_pci_mem_write_direct(struct netxen_adapter *adapter, u64 off, return -1; } - addr = (void *)(pci_base_offset(adapter, start)); + addr = pci_base_offset(adapter, start); if (!addr) { write_unlock_irqrestore(&adapter->adapter_lock, flags); mem_base = pci_resource_start(adapter->pdev, 0); @@ -1575,8 +1492,6 @@ netxen_nic_pci_mem_write_direct(struct netxen_adapter *adapter, u64 off, break; } write_unlock_irqrestore(&adapter->adapter_lock, flags); - DPRINTK(1, INFO, "writing data %llx to offset %llx\n", - *(unsigned long long *)data, start); if (mem_ptr) iounmap(mem_ptr); return ret; @@ -1588,10 +1503,11 @@ int netxen_nic_pci_mem_write_128M(struct netxen_adapter *adapter, u64 off, void *data, int size) { - unsigned long flags, mem_crb; + unsigned long flags; int i, j, ret = 0, loop, sz[2], off0; uint32_t temp; uint64_t off8, tmpw, word[2] = {0, 0}; + void __iomem *mem_crb; /* * If not MN, go check for MS or invalid. @@ -1605,7 +1521,7 @@ netxen_nic_pci_mem_write_128M(struct netxen_adapter *adapter, sz[0] = (size < (8 - off0)) ? size : (8 - off0); sz[1] = size - sz[0]; loop = ((off0 + size - 1) >> 3) + 1; - mem_crb = (unsigned long)pci_base_offset(adapter, NETXEN_CRB_DDR_NET); + mem_crb = pci_base_offset(adapter, NETXEN_CRB_DDR_NET); if ((size != 8) || (off0 != 0)) { for (i = 0; i < loop; i++) { @@ -1643,21 +1559,21 @@ netxen_nic_pci_mem_write_128M(struct netxen_adapter *adapter, for (i = 0; i < loop; i++) { writel((uint32_t)(off8 + (i << 3)), - (void *)(mem_crb+MIU_TEST_AGT_ADDR_LO)); + (mem_crb+MIU_TEST_AGT_ADDR_LO)); writel(0, - (void *)(mem_crb+MIU_TEST_AGT_ADDR_HI)); + (mem_crb+MIU_TEST_AGT_ADDR_HI)); writel(word[i] & 0xffffffff, - (void *)(mem_crb+MIU_TEST_AGT_WRDATA_LO)); + (mem_crb+MIU_TEST_AGT_WRDATA_LO)); writel((word[i] >> 32) & 0xffffffff, - (void *)(mem_crb+MIU_TEST_AGT_WRDATA_HI)); + (mem_crb+MIU_TEST_AGT_WRDATA_HI)); writel(MIU_TA_CTL_ENABLE|MIU_TA_CTL_WRITE, - (void *)(mem_crb+MIU_TEST_AGT_CTRL)); + (mem_crb+MIU_TEST_AGT_CTRL)); writel(MIU_TA_CTL_START|MIU_TA_CTL_ENABLE|MIU_TA_CTL_WRITE, - (void *)(mem_crb+MIU_TEST_AGT_CTRL)); + (mem_crb+MIU_TEST_AGT_CTRL)); for (j = 0; j < MAX_CTL_CHECK; j++) { temp = readl( - (void *)(mem_crb+MIU_TEST_AGT_CTRL)); + (mem_crb+MIU_TEST_AGT_CTRL)); if ((temp & MIU_TA_CTL_BUSY) == 0) break; } @@ -1679,10 +1595,11 @@ int netxen_nic_pci_mem_read_128M(struct netxen_adapter *adapter, u64 off, void *data, int size) { - unsigned long flags, mem_crb; + unsigned long flags; int i, j = 0, k, start, end, loop, sz[2], off0[2]; uint32_t temp; uint64_t off8, val, word[2] = {0, 0}; + void __iomem *mem_crb; /* @@ -1697,24 +1614,24 @@ netxen_nic_pci_mem_read_128M(struct netxen_adapter *adapter, sz[0] = (size < (8 - off0[0])) ? size : (8 - off0[0]); sz[1] = size - sz[0]; loop = ((off0[0] + size - 1) >> 3) + 1; - mem_crb = (unsigned long)pci_base_offset(adapter, NETXEN_CRB_DDR_NET); + mem_crb = pci_base_offset(adapter, NETXEN_CRB_DDR_NET); write_lock_irqsave(&adapter->adapter_lock, flags); netxen_nic_pci_change_crbwindow_128M(adapter, 0); for (i = 0; i < loop; i++) { writel((uint32_t)(off8 + (i << 3)), - (void *)(mem_crb+MIU_TEST_AGT_ADDR_LO)); + (mem_crb+MIU_TEST_AGT_ADDR_LO)); writel(0, - (void *)(mem_crb+MIU_TEST_AGT_ADDR_HI)); + (mem_crb+MIU_TEST_AGT_ADDR_HI)); writel(MIU_TA_CTL_ENABLE, - (void *)(mem_crb+MIU_TEST_AGT_CTRL)); + (mem_crb+MIU_TEST_AGT_CTRL)); writel(MIU_TA_CTL_START|MIU_TA_CTL_ENABLE, - (void *)(mem_crb+MIU_TEST_AGT_CTRL)); + (mem_crb+MIU_TEST_AGT_CTRL)); for (j = 0; j < MAX_CTL_CHECK; j++) { temp = readl( - (void *)(mem_crb+MIU_TEST_AGT_CTRL)); + (mem_crb+MIU_TEST_AGT_CTRL)); if ((temp & MIU_TA_CTL_BUSY) == 0) break; } @@ -1729,7 +1646,7 @@ netxen_nic_pci_mem_read_128M(struct netxen_adapter *adapter, end = (off0[i] + sz[i] - 1) >> 2; for (k = start; k <= end; k++) { word[i] |= ((uint64_t) readl( - (void *)(mem_crb + + (mem_crb + MIU_TEST_AGT_RDDATA(k))) << (32*k)); } } @@ -1761,7 +1678,6 @@ netxen_nic_pci_mem_read_128M(struct netxen_adapter *adapter, *(uint64_t *)data = val; break; } - DPRINTK(1, INFO, "read %llx\n", *(unsigned long long *)data); return 0; } @@ -1970,7 +1886,6 @@ netxen_nic_pci_mem_read_2M(struct netxen_adapter *adapter, *(uint64_t *)data = val; break; } - DPRINTK(1, INFO, "read %llx\n", *(unsigned long long *)data); return 0; } @@ -2024,10 +1939,10 @@ int netxen_nic_get_board_info(struct netxen_adapter *adapter) int addr = NETXEN_BRDCFG_START; struct netxen_board_info *boardinfo; int index; - u32 *ptr32; + int *ptr32; boardinfo = &adapter->ahw.boardcfg; - ptr32 = (u32 *) boardinfo; + ptr32 = (int *) boardinfo; for (index = 0; index < sizeof(struct netxen_board_info) / sizeof(u32); index++) { @@ -2207,13 +2122,13 @@ void netxen_nic_flash_print(struct netxen_adapter *adapter) char brd_name[NETXEN_MAX_SHORT_NAME]; char serial_num[32]; int i, addr; - __le32 *ptr32; + int *ptr32; struct netxen_board_info *board_info = &(adapter->ahw.boardcfg); adapter->driver_mismatch = 0; - ptr32 = (u32 *)&serial_num; + ptr32 = (int *)&serial_num; addr = NETXEN_USER_START + offsetof(struct netxen_new_user_info, serial_num); for (i = 0; i < 8; i++) { diff --git a/drivers/net/netxen/netxen_nic_hw.h b/drivers/net/netxen/netxen_nic_hw.h index aae737dc77a8..70238bf7e11a 100644 --- a/drivers/net/netxen/netxen_nic_hw.h +++ b/drivers/net/netxen/netxen_nic_hw.h @@ -54,30 +54,6 @@ static inline void writeq(u64 val, void __iomem * addr) } #endif -static inline void netxen_nic_hw_block_write64(u64 __iomem * data_ptr, - u64 __iomem * addr, - int num_words) -{ - int num; - for (num = 0; num < num_words; num++) { - writeq(readq((void __iomem *)data_ptr), addr); - addr++; - data_ptr++; - } -} - -static inline void netxen_nic_hw_block_read64(u64 __iomem * data_ptr, - u64 __iomem * addr, int num_words) -{ - int num; - for (num = 0; num < num_words; num++) { - writeq(readq((void __iomem *)addr), data_ptr); - addr++; - data_ptr++; - } - -} - struct netxen_adapter; #define NETXEN_PCI_MAPSIZE_BYTES (NETXEN_PCI_MAPSIZE << 20) -- 2.20.1