add new system file

hc

2024-02-20 102a0743326a03cd1a1202ceda21e175b7d3575c

 kernel/drivers/tty/nozomi.c
..
..
@@ -301,7 +301,7 @@
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 	unsigned int DCD:1;
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 	unsigned int RI:1;
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 	unsigned int CTS:1;
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-	unsigned int reserverd:4;
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+	unsigned int reserved:4;
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 	u8 port;
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 } __attribute__ ((packed));
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..
..
@@ -839,40 +839,39 @@
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 	static char buf[TMP_BUF_MAX];
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 	char *p = buf;
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-	interrupt & MDM_DL1 ? p += snprintf(p, TMP_BUF_MAX, "MDM_DL1 ") : NULL;
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-	interrupt & MDM_DL2 ? p += snprintf(p, TMP_BUF_MAX - (p - buf),
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-					"MDM_DL2 ") : NULL;
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+	if (interrupt & MDM_DL1)
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+		p += scnprintf(p, TMP_BUF_MAX, "MDM_DL1 ");
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+	if (interrupt & MDM_DL2)
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+		p += scnprintf(p, TMP_BUF_MAX - (p - buf), "MDM_DL2 ");
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+	if (interrupt & MDM_UL1)
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+		p += scnprintf(p, TMP_BUF_MAX - (p - buf), "MDM_UL1 ");
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+	if (interrupt & MDM_UL2)
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+		p += scnprintf(p, TMP_BUF_MAX - (p - buf), "MDM_UL2 ");
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+	if (interrupt & DIAG_DL1)
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+		p += scnprintf(p, TMP_BUF_MAX - (p - buf), "DIAG_DL1 ");
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+	if (interrupt & DIAG_DL2)
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+		p += scnprintf(p, TMP_BUF_MAX - (p - buf), "DIAG_DL2 ");
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-	interrupt & MDM_UL1 ? p += snprintf(p, TMP_BUF_MAX - (p - buf),
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-					"MDM_UL1 ") : NULL;
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-	interrupt & MDM_UL2 ? p += snprintf(p, TMP_BUF_MAX - (p - buf),
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-					"MDM_UL2 ") : NULL;
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+	if (interrupt & DIAG_UL)
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+		p += scnprintf(p, TMP_BUF_MAX - (p - buf), "DIAG_UL ");
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-	interrupt & DIAG_DL1 ? p += snprintf(p, TMP_BUF_MAX - (p - buf),
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-					"DIAG_DL1 ") : NULL;
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-	interrupt & DIAG_DL2 ? p += snprintf(p, TMP_BUF_MAX - (p - buf),
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-					"DIAG_DL2 ") : NULL;
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+	if (interrupt & APP1_DL)
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+		p += scnprintf(p, TMP_BUF_MAX - (p - buf), "APP1_DL ");
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+	if (interrupt & APP2_DL)
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+		p += scnprintf(p, TMP_BUF_MAX - (p - buf), "APP2_DL ");
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-	interrupt & DIAG_UL ? p += snprintf(p, TMP_BUF_MAX - (p - buf),
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-					"DIAG_UL ") : NULL;
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+	if (interrupt & APP1_UL)
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+		p += scnprintf(p, TMP_BUF_MAX - (p - buf), "APP1_UL ");
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+	if (interrupt & APP2_UL)
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+		p += scnprintf(p, TMP_BUF_MAX - (p - buf), "APP2_UL ");
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-	interrupt & APP1_DL ? p += snprintf(p, TMP_BUF_MAX - (p - buf),
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-					"APP1_DL ") : NULL;
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-	interrupt & APP2_DL ? p += snprintf(p, TMP_BUF_MAX - (p - buf),
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-					"APP2_DL ") : NULL;
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+	if (interrupt & CTRL_DL)
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+		p += scnprintf(p, TMP_BUF_MAX - (p - buf), "CTRL_DL ");
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+	if (interrupt & CTRL_UL)
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+		p += scnprintf(p, TMP_BUF_MAX - (p - buf), "CTRL_UL ");
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-	interrupt & APP1_UL ? p += snprintf(p, TMP_BUF_MAX - (p - buf),
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-					"APP1_UL ") : NULL;
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-	interrupt & APP2_UL ? p += snprintf(p, TMP_BUF_MAX - (p - buf),
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-					"APP2_UL ") : NULL;
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-
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-	interrupt & CTRL_DL ? p += snprintf(p, TMP_BUF_MAX - (p - buf),
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-					"CTRL_DL ") : NULL;
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-	interrupt & CTRL_UL ? p += snprintf(p, TMP_BUF_MAX - (p - buf),
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-					"CTRL_UL ") : NULL;
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-
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-	interrupt & RESET ? p += snprintf(p, TMP_BUF_MAX - (p - buf),
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-					"RESET ") : NULL;
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+	if (interrupt & RESET)
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+		p += scnprintf(p, TMP_BUF_MAX - (p - buf), "RESET ");
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 	return buf;
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 }
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@@ -1282,7 +1281,7 @@
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 static ssize_t card_type_show(struct device *dev, struct device_attribute *attr,
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 			  char *buf)
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 {
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-	const struct nozomi *dc = pci_get_drvdata(to_pci_dev(dev));
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+	const struct nozomi *dc = dev_get_drvdata(dev);
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 	return sprintf(buf, "%d\n", dc->card_type);
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 }
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@@ -1291,7 +1290,7 @@
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 static ssize_t open_ttys_show(struct device *dev, struct device_attribute *attr,
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 			  char *buf)
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 {
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-	const struct nozomi *dc = pci_get_drvdata(to_pci_dev(dev));
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+	const struct nozomi *dc = dev_get_drvdata(dev);
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 	return sprintf(buf, "%u\n", dc->open_ttys);
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 }
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@@ -1317,7 +1316,6 @@
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 static int nozomi_card_init(struct pci_dev *pdev,
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 				      const struct pci_device_id *ent)
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 {
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-	resource_size_t start;
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 	int ret;
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 	struct nozomi *dc = NULL;
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 	int ndev_idx;
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@@ -1357,17 +1355,10 @@
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 		goto err_disable_device;
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 	}
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-	start = pci_resource_start(dc->pdev, 0);
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-	if (start == 0) {
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-		dev_err(&pdev->dev, "No I/O address for card detected\n");
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-		ret = -ENODEV;
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-		goto err_rel_regs;
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-	}
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-
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 	/* Find out what card type it is */
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 	nozomi_get_card_type(dc);
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-	dc->base_addr = ioremap_nocache(start, dc->card_type);
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+	dc->base_addr = pci_iomap(dc->pdev, 0, dc->card_type);
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 	if (!dc->base_addr) {
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 		dev_err(&pdev->dev, "Unable to map card MMIO\n");
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 		ret = -ENODEV;