From ce0366df542a214be62bb3250e688f7c6d644ad7 Mon Sep 17 00:00:00 2001 From: Joe Carnuccio Date: Tue, 12 Mar 2019 11:08:20 -0700 Subject: scsi: qla2xxx: Simplification of register address used in qla_tmpl.c Reduce stack space on each fwdt routine by eliminating local variable reg. Signed-off-by: Joe Carnuccio Signed-off-by: Himanshu Madhani Signed-off-by: Martin K. Petersen --- drivers/scsi/qla2xxx/qla_tmpl.c | 71 ++++++++++++++++------------------------- 1 file changed, 27 insertions(+), 44 deletions(-) (limited to 'drivers/scsi/qla2xxx/qla_tmpl.c') diff --git a/drivers/scsi/qla2xxx/qla_tmpl.c b/drivers/scsi/qla2xxx/qla_tmpl.c index 9f8a7a3d6726..de696a07532e 100644 --- a/drivers/scsi/qla2xxx/qla_tmpl.c +++ b/drivers/scsi/qla2xxx/qla_tmpl.c @@ -7,13 +7,9 @@ #include "qla_def.h" #include "qla_tmpl.h" -#define IOBASE(reg) offsetof(typeof(*reg), iobase_addr) - -static inline void __iomem * -qla27xx_isp_reg(struct scsi_qla_host *vha) -{ - return &vha->hw->iobase->isp24; -} +#define ISPREG(vha) (&(vha)->hw->iobase->isp24) +#define IOBAR(reg) offsetof(typeof(*(reg)), iobase_addr) +#define IOBASE(vha) IOBAR(ISPREG(vha)) static inline void qla27xx_insert16(uint16_t value, void *buf, ulong *len) @@ -114,7 +110,7 @@ qla27xx_read_window(__iomem struct device_reg_24xx *reg, void __iomem *window = (void __iomem *)reg + offset; void (*readn)(void __iomem*, void *, ulong *) = qla27xx_read_vector(width); - qla27xx_write_reg(reg, IOBASE_ADDR, addr, buf); + qla27xx_write_reg(reg, IOBAR(reg), addr, buf); while (count--) { qla27xx_insert32(addr, buf, len); readn(window, buf, len); @@ -163,7 +159,6 @@ static struct qla27xx_fwdt_entry * qla27xx_fwdt_entry_t256(struct scsi_qla_host *vha, struct qla27xx_fwdt_entry *ent, void *buf, ulong *len) { - struct device_reg_24xx __iomem *reg = qla27xx_isp_reg(vha); ulong addr = le32_to_cpu(ent->t256.base_addr); uint offset = ent->t256.pci_offset; ulong count = le16_to_cpu(ent->t256.reg_count); @@ -171,7 +166,7 @@ qla27xx_fwdt_entry_t256(struct scsi_qla_host *vha, ql_dbg(ql_dbg_misc, vha, 0xd200, "%s: rdio t1 [%lx]\n", __func__, *len); - qla27xx_read_window(reg, addr, offset, count, width, buf, len); + qla27xx_read_window(ISPREG(vha), addr, offset, count, width, buf, len); return qla27xx_next_entry(ent); } @@ -180,15 +175,14 @@ static struct qla27xx_fwdt_entry * qla27xx_fwdt_entry_t257(struct scsi_qla_host *vha, struct qla27xx_fwdt_entry *ent, void *buf, ulong *len) { - struct device_reg_24xx __iomem *reg = qla27xx_isp_reg(vha); ulong addr = le32_to_cpu(ent->t257.base_addr); uint offset = ent->t257.pci_offset; ulong data = le32_to_cpu(ent->t257.write_data); ql_dbg(ql_dbg_misc, vha, 0xd201, "%s: wrio t1 [%lx]\n", __func__, *len); - qla27xx_write_reg(reg, IOBASE(reg), addr, buf); - qla27xx_write_reg(reg, offset, data, buf); + qla27xx_write_reg(ISPREG(vha), IOBASE(vha), addr, buf); + qla27xx_write_reg(ISPREG(vha), offset, data, buf); return qla27xx_next_entry(ent); } @@ -197,7 +191,6 @@ static struct qla27xx_fwdt_entry * qla27xx_fwdt_entry_t258(struct scsi_qla_host *vha, struct qla27xx_fwdt_entry *ent, void *buf, ulong *len) { - struct device_reg_24xx __iomem *reg = qla27xx_isp_reg(vha); uint banksel = ent->t258.banksel_offset; ulong bank = le32_to_cpu(ent->t258.bank); ulong addr = le32_to_cpu(ent->t258.base_addr); @@ -207,8 +200,8 @@ qla27xx_fwdt_entry_t258(struct scsi_qla_host *vha, ql_dbg(ql_dbg_misc, vha, 0xd202, "%s: rdio t2 [%lx]\n", __func__, *len); - qla27xx_write_reg(reg, banksel, bank, buf); - qla27xx_read_window(reg, addr, offset, count, width, buf, len); + qla27xx_write_reg(ISPREG(vha), banksel, bank, buf); + qla27xx_read_window(ISPREG(vha), addr, offset, count, width, buf, len); return qla27xx_next_entry(ent); } @@ -217,7 +210,6 @@ static struct qla27xx_fwdt_entry * qla27xx_fwdt_entry_t259(struct scsi_qla_host *vha, struct qla27xx_fwdt_entry *ent, void *buf, ulong *len) { - struct device_reg_24xx __iomem *reg = qla27xx_isp_reg(vha); ulong addr = le32_to_cpu(ent->t259.base_addr); uint banksel = ent->t259.banksel_offset; ulong bank = le32_to_cpu(ent->t259.bank); @@ -226,9 +218,9 @@ qla27xx_fwdt_entry_t259(struct scsi_qla_host *vha, ql_dbg(ql_dbg_misc, vha, 0xd203, "%s: wrio t2 [%lx]\n", __func__, *len); - qla27xx_write_reg(reg, IOBASE(reg), addr, buf); - qla27xx_write_reg(reg, banksel, bank, buf); - qla27xx_write_reg(reg, offset, data, buf); + qla27xx_write_reg(ISPREG(vha), IOBASE(vha), addr, buf); + qla27xx_write_reg(ISPREG(vha), banksel, bank, buf); + qla27xx_write_reg(ISPREG(vha), offset, data, buf); return qla27xx_next_entry(ent); } @@ -237,13 +229,12 @@ static struct qla27xx_fwdt_entry * qla27xx_fwdt_entry_t260(struct scsi_qla_host *vha, struct qla27xx_fwdt_entry *ent, void *buf, ulong *len) { - struct device_reg_24xx __iomem *reg = qla27xx_isp_reg(vha); uint offset = ent->t260.pci_offset; ql_dbg(ql_dbg_misc, vha, 0xd204, "%s: rdpci [%lx]\n", __func__, *len); qla27xx_insert32(offset, buf, len); - qla27xx_read_reg(reg, offset, buf, len); + qla27xx_read_reg(ISPREG(vha), offset, buf, len); return qla27xx_next_entry(ent); } @@ -252,13 +243,12 @@ static struct qla27xx_fwdt_entry * qla27xx_fwdt_entry_t261(struct scsi_qla_host *vha, struct qla27xx_fwdt_entry *ent, void *buf, ulong *len) { - struct device_reg_24xx __iomem *reg = qla27xx_isp_reg(vha); uint offset = ent->t261.pci_offset; ulong data = le32_to_cpu(ent->t261.write_data); ql_dbg(ql_dbg_misc, vha, 0xd205, "%s: wrpci [%lx]\n", __func__, *len); - qla27xx_write_reg(reg, offset, data, buf); + qla27xx_write_reg(ISPREG(vha), offset, data, buf); return qla27xx_next_entry(ent); } @@ -424,12 +414,10 @@ static struct qla27xx_fwdt_entry * qla27xx_fwdt_entry_t265(struct scsi_qla_host *vha, struct qla27xx_fwdt_entry *ent, void *buf, ulong *len) { - struct device_reg_24xx __iomem *reg = qla27xx_isp_reg(vha); - - ql_dbg(ql_dbg_misc, vha, 0xd209, + ql_dbg(ql_dbg_misc + ql_dbg_verbose, vha, 0xd209, "%s: pause risc [%lx]\n", __func__, *len); if (buf) - qla24xx_pause_risc(reg, vha->hw); + qla24xx_pause_risc(ISPREG(vha), vha->hw); return qla27xx_next_entry(ent); } @@ -450,13 +438,12 @@ static struct qla27xx_fwdt_entry * qla27xx_fwdt_entry_t267(struct scsi_qla_host *vha, struct qla27xx_fwdt_entry *ent, void *buf, ulong *len) { - struct device_reg_24xx __iomem *reg = qla27xx_isp_reg(vha); uint offset = ent->t267.pci_offset; ulong data = le32_to_cpu(ent->t267.data); ql_dbg(ql_dbg_misc, vha, 0xd20b, "%s: dis intr [%lx]\n", __func__, *len); - qla27xx_write_reg(reg, offset, data, buf); + qla27xx_write_reg(ISPREG(vha), offset, data, buf); return qla27xx_next_entry(ent); } @@ -552,17 +539,16 @@ static struct qla27xx_fwdt_entry * qla27xx_fwdt_entry_t270(struct scsi_qla_host *vha, struct qla27xx_fwdt_entry *ent, void *buf, ulong *len) { - struct device_reg_24xx __iomem *reg = qla27xx_isp_reg(vha); ulong addr = le32_to_cpu(ent->t270.addr); ulong dwords = le32_to_cpu(ent->t270.count); ql_dbg(ql_dbg_misc, vha, 0xd20e, "%s: rdremreg [%lx]\n", __func__, *len); - qla27xx_write_reg(reg, IOBASE_ADDR, 0x40, buf); + qla27xx_write_reg(ISPREG(vha), IOBASE_ADDR, 0x40, buf); while (dwords--) { - qla27xx_write_reg(reg, 0xc0, addr|0x80000000, buf); + qla27xx_write_reg(ISPREG(vha), 0xc0, addr|0x80000000, buf); qla27xx_insert32(addr, buf, len); - qla27xx_read_reg(reg, 0xc4, buf, len); + qla27xx_read_reg(ISPREG(vha), 0xc4, buf, len); addr += sizeof(uint32_t); } @@ -573,15 +559,14 @@ static struct qla27xx_fwdt_entry * qla27xx_fwdt_entry_t271(struct scsi_qla_host *vha, struct qla27xx_fwdt_entry *ent, void *buf, ulong *len) { - struct device_reg_24xx __iomem *reg = qla27xx_isp_reg(vha); ulong addr = le32_to_cpu(ent->t271.addr); ulong data = le32_to_cpu(ent->t271.data); ql_dbg(ql_dbg_misc, vha, 0xd20f, "%s: wrremreg [%lx]\n", __func__, *len); - qla27xx_write_reg(reg, IOBASE_ADDR, 0x40, buf); - qla27xx_write_reg(reg, 0xc4, data, buf); - qla27xx_write_reg(reg, 0xc0, addr, buf); + qla27xx_write_reg(ISPREG(vha), IOBASE(vha), 0x40, buf); + qla27xx_write_reg(ISPREG(vha), 0xc4, data, buf); + qla27xx_write_reg(ISPREG(vha), 0xc0, addr, buf); return qla27xx_next_entry(ent); } @@ -749,7 +734,6 @@ static struct qla27xx_fwdt_entry * qla27xx_fwdt_entry_t277(struct scsi_qla_host *vha, struct qla27xx_fwdt_entry *ent, void *buf, ulong *len) { - struct device_reg_24xx __iomem *reg = qla27xx_isp_reg(vha); ulong cmd_addr = le32_to_cpu(ent->t277.cmd_addr); ulong wr_cmd_data = le32_to_cpu(ent->t277.wr_cmd_data); ulong data_addr = le32_to_cpu(ent->t277.data_addr); @@ -757,8 +741,8 @@ qla27xx_fwdt_entry_t277(struct scsi_qla_host *vha, ql_dbg(ql_dbg_misc + ql_dbg_verbose, vha, 0xd215, "%s: rdpep [%lx]\n", __func__, *len); qla27xx_insert32(wr_cmd_data, buf, len); - qla27xx_write_reg(reg, cmd_addr, wr_cmd_data, buf); - qla27xx_read_reg(reg, data_addr, buf, len); + qla27xx_write_reg(ISPREG(vha), cmd_addr, wr_cmd_data, buf); + qla27xx_read_reg(ISPREG(vha), data_addr, buf, len); return qla27xx_next_entry(ent); } @@ -767,7 +751,6 @@ static struct qla27xx_fwdt_entry * qla27xx_fwdt_entry_t278(struct scsi_qla_host *vha, struct qla27xx_fwdt_entry *ent, void *buf, ulong *len) { - struct device_reg_24xx __iomem *reg = qla27xx_isp_reg(vha); ulong cmd_addr = le32_to_cpu(ent->t278.cmd_addr); ulong wr_cmd_data = le32_to_cpu(ent->t278.wr_cmd_data); ulong data_addr = le32_to_cpu(ent->t278.data_addr); @@ -775,8 +758,8 @@ qla27xx_fwdt_entry_t278(struct scsi_qla_host *vha, ql_dbg(ql_dbg_misc + ql_dbg_verbose, vha, 0xd216, "%s: wrpep [%lx]\n", __func__, *len); - qla27xx_write_reg(reg, data_addr, wr_data, buf); - qla27xx_write_reg(reg, cmd_addr, wr_cmd_data, buf); + qla27xx_write_reg(ISPREG(vha), data_addr, wr_data, buf); + qla27xx_write_reg(ISPREG(vha), cmd_addr, wr_cmd_data, buf); return qla27xx_next_entry(ent); } -- cgit v1.2.3