修改GPIO导出默认初始值

hc

2024-10-16 50a212ec906f7524620675f0c57357691c26c81f

 kernel/drivers/scsi/qla2xxx/qla_inline.h
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@@ -109,11 +109,13 @@
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 {
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 	int old_val;
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 	uint8_t shiftbits, mask;
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+	uint8_t port_dstate_str_sz;
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 	/* This will have to change when the max no. of states > 16 */
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 	shiftbits = 4;
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 	mask = (1 << shiftbits) - 1;
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+	port_dstate_str_sz = sizeof(port_dstate_str) / sizeof(char *);
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 	fcport->disc_state = state;
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 	while (1) {
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 		old_val = atomic_read(&fcport->shadow_disc_state);
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@@ -121,7 +123,8 @@
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 		    old_val, (old_val << shiftbits) | state)) {
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 			ql_dbg(ql_dbg_disc, fcport->vha, 0x2134,
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 			    "FCPort %8phC disc_state transition: %s to %s - portid=%06x.\n",
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-			    fcport->port_name, port_dstate_str[old_val & mask],
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+			    fcport->port_name, (old_val & mask) < port_dstate_str_sz ?
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+				    port_dstate_str[old_val & mask] : "Unknown",
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 			    port_dstate_str[state], fcport->d_id.b24);
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 			return;
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 		}
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@@ -432,3 +435,49 @@
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 	}
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 	iores->res_type = RESOURCE_NONE;
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 }
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+
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+#define ISP_REG_DISCONNECT 0xffffffffU
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+/**************************************************************************
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+ * qla2x00_isp_reg_stat
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+ *
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+ * Description:
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+ *        Read the host status register of ISP before aborting the command.
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+ *
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+ * Input:
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+ *       ha = pointer to host adapter structure.
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+ *
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+ *
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+ * Returns:
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+ *       Either true or false.
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+ *
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+ * Note: Return true if there is register disconnect.
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+ **************************************************************************/
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+static inline
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+uint32_t qla2x00_isp_reg_stat(struct qla_hw_data *ha)
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+{
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+	struct device_reg_24xx __iomem *reg = &ha->iobase->isp24;
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+	struct device_reg_82xx __iomem *reg82 = &ha->iobase->isp82;
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+
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+	if (IS_P3P_TYPE(ha))
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+		return ((rd_reg_dword(&reg82->host_int)) == ISP_REG_DISCONNECT);
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+	else
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+		return ((rd_reg_dword(&reg->host_status)) ==
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+			ISP_REG_DISCONNECT);
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+}
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+
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+static inline
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+bool qla_pci_disconnected(struct scsi_qla_host *vha,
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+			  struct device_reg_24xx __iomem *reg)
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+{
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+	uint32_t stat;
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+	bool ret = false;
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+
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+	stat = rd_reg_dword(&reg->host_status);
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+	if (stat == 0xffffffff) {
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+		ql_log(ql_log_info, vha, 0x8041,
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+		       "detected PCI disconnect.\n");
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+		qla_schedule_eeh_work(vha);
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+		ret = true;
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+	}
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+	return ret;
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+}