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Diffstat (limited to 'drivers/scsi/megaraid/megaraid_sas.c')
-rw-r--r--drivers/scsi/megaraid/megaraid_sas.c55
1 files changed, 32 insertions, 23 deletions
diff --git a/drivers/scsi/megaraid/megaraid_sas.c b/drivers/scsi/megaraid/megaraid_sas.c
index e177fc5c5dd0..c3b50b375799 100644
--- a/drivers/scsi/megaraid/megaraid_sas.c
+++ b/drivers/scsi/megaraid/megaraid_sas.c
@@ -135,6 +135,19 @@ megasas_enable_intr_xscale(struct megasas_register_set __iomem * regs)
135} 135}
136 136
137/** 137/**
138 * megasas_disable_intr_xscale -Disables interrupt
139 * @regs: MFI register set
140 */
141static inline void
142megasas_disable_intr_xscale(struct megasas_register_set __iomem * regs)
143{
144 u32 mask = 0x1f;
145 writel(mask, &regs->outbound_intr_mask);
146 /* Dummy readl to force pci flush */
147 readl(&regs->outbound_intr_mask);
148}
149
150/**
138 * megasas_read_fw_status_reg_xscale - returns the current FW status value 151 * megasas_read_fw_status_reg_xscale - returns the current FW status value
139 * @regs: MFI register set 152 * @regs: MFI register set
140 */ 153 */
@@ -185,6 +198,7 @@ static struct megasas_instance_template megasas_instance_template_xscale = {
185 198
186 .fire_cmd = megasas_fire_cmd_xscale, 199 .fire_cmd = megasas_fire_cmd_xscale,
187 .enable_intr = megasas_enable_intr_xscale, 200 .enable_intr = megasas_enable_intr_xscale,
201 .disable_intr = megasas_disable_intr_xscale,
188 .clear_intr = megasas_clear_intr_xscale, 202 .clear_intr = megasas_clear_intr_xscale,
189 .read_fw_status_reg = megasas_read_fw_status_reg_xscale, 203 .read_fw_status_reg = megasas_read_fw_status_reg_xscale,
190}; 204};
@@ -215,6 +229,19 @@ megasas_enable_intr_ppc(struct megasas_register_set __iomem * regs)
215} 229}
216 230
217/** 231/**
232 * megasas_disable_intr_ppc - Disable interrupt
233 * @regs: MFI register set
234 */
235static inline void
236megasas_disable_intr_ppc(struct megasas_register_set __iomem * regs)
237{
238 u32 mask = 0xFFFFFFFF;
239 writel(mask, &regs->outbound_intr_mask);
240 /* Dummy readl to force pci flush */
241 readl(&regs->outbound_intr_mask);
242}
243
244/**
218 * megasas_read_fw_status_reg_ppc - returns the current FW status value 245 * megasas_read_fw_status_reg_ppc - returns the current FW status value
219 * @regs: MFI register set 246 * @regs: MFI register set
220 */ 247 */
@@ -265,6 +292,7 @@ static struct megasas_instance_template megasas_instance_template_ppc = {
265 292
266 .fire_cmd = megasas_fire_cmd_ppc, 293 .fire_cmd = megasas_fire_cmd_ppc,
267 .enable_intr = megasas_enable_intr_ppc, 294 .enable_intr = megasas_enable_intr_ppc,
295 .disable_intr = megasas_disable_intr_ppc,
268 .clear_intr = megasas_clear_intr_ppc, 296 .clear_intr = megasas_clear_intr_ppc,
269 .read_fw_status_reg = megasas_read_fw_status_reg_ppc, 297 .read_fw_status_reg = megasas_read_fw_status_reg_ppc,
270}; 298};
@@ -275,25 +303,6 @@ static struct megasas_instance_template megasas_instance_template_ppc = {
275*/ 303*/
276 304
277/** 305/**
278 * megasas_disable_intr - Disables interrupts
279 * @regs: MFI register set
280 */
281static inline void
282megasas_disable_intr(struct megasas_instance *instance)
283{
284 u32 mask = 0x1f;
285 struct megasas_register_set __iomem *regs = instance->reg_set;
286
287 if(instance->pdev->device == PCI_DEVICE_ID_LSI_SAS1078R)
288 mask = 0xffffffff;
289
290 writel(mask, &regs->outbound_intr_mask);
291
292 /* Dummy readl to force pci flush */
293 readl(&regs->outbound_intr_mask);
294}
295
296/**
297 * megasas_issue_polled - Issues a polling command 306 * megasas_issue_polled - Issues a polling command
298 * @instance: Adapter soft state 307 * @instance: Adapter soft state
299 * @cmd: Command packet to be issued 308 * @cmd: Command packet to be issued
@@ -1293,7 +1302,7 @@ megasas_transition_to_ready(struct megasas_instance* instance)
1293 /* 1302 /*
1294 * Bring it to READY state; assuming max wait 10 secs 1303 * Bring it to READY state; assuming max wait 10 secs
1295 */ 1304 */
1296 megasas_disable_intr(instance); 1305 instance->instancet->disable_intr(instance->reg_set);
1297 writel(MFI_RESET_FLAGS, &instance->reg_set->inbound_doorbell); 1306 writel(MFI_RESET_FLAGS, &instance->reg_set->inbound_doorbell);
1298 1307
1299 max_wait = 10; 1308 max_wait = 10;
@@ -1799,7 +1808,7 @@ static int megasas_init_mfi(struct megasas_instance *instance)
1799 /* 1808 /*
1800 * disable the intr before firing the init frame to FW 1809 * disable the intr before firing the init frame to FW
1801 */ 1810 */
1802 megasas_disable_intr(instance); 1811 instance->instancet->disable_intr(instance->reg_set);
1803 1812
1804 /* 1813 /*
1805 * Issue the init frame in polled mode 1814 * Issue the init frame in polled mode
@@ -2279,7 +2288,7 @@ megasas_probe_one(struct pci_dev *pdev, const struct pci_device_id *id)
2279 megasas_mgmt_info.max_index--; 2288 megasas_mgmt_info.max_index--;
2280 2289
2281 pci_set_drvdata(pdev, NULL); 2290 pci_set_drvdata(pdev, NULL);
2282 megasas_disable_intr(instance); 2291 instance->instancet->disable_intr(instance->reg_set);
2283 free_irq(instance->pdev->irq, instance); 2292 free_irq(instance->pdev->irq, instance);
2284 2293
2285 megasas_release_mfi(instance); 2294 megasas_release_mfi(instance);
@@ -2409,7 +2418,7 @@ static void megasas_detach_one(struct pci_dev *pdev)
2409 2418
2410 pci_set_drvdata(instance->pdev, NULL); 2419 pci_set_drvdata(instance->pdev, NULL);
2411 2420
2412 megasas_disable_intr(instance); 2421 instance->instancet->disable_intr(instance->reg_set);
2413 2422
2414 free_irq(instance->pdev->irq, instance); 2423 free_irq(instance->pdev->irq, instance);
2415 2424