PCI: ls-gen4: Rename ls_pcie_g4 to ls_g4_pcie

Rename struct ls_pcie_g4 to ls_g4_pcie to match the convention of
<driver>_pcie. No functional change intended.

Link: https://lore.kernel.org/r/20211223011054.1227810-14-helgaas@kernel.org
Signed-off-by: Bjorn Helgaas <bhelgaas@google.com>
Cc: Hou Zhiqiang <Zhiqiang.Hou@nxp.com>

Author: bjorn-helgaas

drivers/pci/controller/mobiveil/pcie-layerscape-gen4.c

@@ -34,31 +34,31 @@
 #define PF_DBG_WE			BIT(31)
 #define PF_DBG_PABR			BIT(27)
 
-#define to_ls_pcie_g4(x)		platform_get_drvdata((x)->pdev)
+#define to_ls_g4_pcie(x)		platform_get_drvdata((x)->pdev)
 
-struct ls_pcie_g4 {
+struct ls_g4_pcie {
 	struct mobiveil_pcie pci;
 	struct delayed_work dwork;
 	int irq;
 };
 
-static inline u32 ls_pcie_g4_pf_readl(struct ls_pcie_g4 *pcie, u32 off)
+static inline u32 ls_g4_pcie_pf_readl(struct ls_g4_pcie *pcie, u32 off)
 {
 	return ioread32(pcie->pci.csr_axi_slave_base + PCIE_PF_OFF + off);
 }
 
-static inline void ls_pcie_g4_pf_writel(struct ls_pcie_g4 *pcie,
+static inline void ls_g4_pcie_pf_writel(struct ls_g4_pcie *pcie,
 					u32 off, u32 val)
 {
 	iowrite32(val, pcie->pci.csr_axi_slave_base + PCIE_PF_OFF + off);
 }
 
-static int ls_pcie_g4_link_up(struct mobiveil_pcie *pci)
+static int ls_g4_pcie_link_up(struct mobiveil_pcie *pci)
 {
-	struct ls_pcie_g4 *pcie = to_ls_pcie_g4(pci);
+	struct ls_g4_pcie *pcie = to_ls_g4_pcie(pci);
 	u32 state;
 
-	state = ls_pcie_g4_pf_readl(pcie, PCIE_PF_DBG);
+	state = ls_g4_pcie_pf_readl(pcie, PCIE_PF_DBG);
 	state =	state & PF_DBG_LTSSM_MASK;
 
 	if (state == PF_DBG_LTSSM_L0)
@@ -67,14 +67,14 @@ static int ls_pcie_g4_link_up(struct mobiveil_pcie *pci)
 	return 0;
 }
 
-static void ls_pcie_g4_disable_interrupt(struct ls_pcie_g4 *pcie)
+static void ls_g4_pcie_disable_interrupt(struct ls_g4_pcie *pcie)
 {
 	struct mobiveil_pcie *mv_pci = &pcie->pci;
 
 	mobiveil_csr_writel(mv_pci, 0, PAB_INTP_AMBA_MISC_ENB);
 }
 
-static void ls_pcie_g4_enable_interrupt(struct ls_pcie_g4 *pcie)
+static void ls_g4_pcie_enable_interrupt(struct ls_g4_pcie *pcie)
 {
 	struct mobiveil_pcie *mv_pci = &pcie->pci;
 	u32 val;
@@ -87,7 +87,7 @@ static void ls_pcie_g4_enable_interrupt(struct ls_pcie_g4 *pcie)
 	mobiveil_csr_writel(mv_pci, val, PAB_INTP_AMBA_MISC_ENB);
 }
 
-static int ls_pcie_g4_reinit_hw(struct ls_pcie_g4 *pcie)
+static int ls_g4_pcie_reinit_hw(struct ls_g4_pcie *pcie)
 {
 	struct mobiveil_pcie *mv_pci = &pcie->pci;
 	struct device *dev = &mv_pci->pdev->dev;
@@ -97,7 +97,7 @@ static int ls_pcie_g4_reinit_hw(struct ls_pcie_g4 *pcie)
 	/* Poll for pab_csb_reset to set and PAB activity to clear */
 	do {
 		usleep_range(10, 15);
-		val = ls_pcie_g4_pf_readl(pcie, PCIE_PF_INT_STAT);
+		val = ls_g4_pcie_pf_readl(pcie, PCIE_PF_INT_STAT);
 		act_stat = mobiveil_csr_readl(mv_pci, PAB_ACTIVITY_STAT);
 	} while (((val & PF_INT_STAT_PABRST) == 0 || act_stat) && to--);
 	if (to < 0) {
@@ -106,22 +106,22 @@ static int ls_pcie_g4_reinit_hw(struct ls_pcie_g4 *pcie)
 	}
 
 	/* clear PEX_RESET bit in PEX_PF0_DBG register */
-	val = ls_pcie_g4_pf_readl(pcie, PCIE_PF_DBG);
+	val = ls_g4_pcie_pf_readl(pcie, PCIE_PF_DBG);
 	val |= PF_DBG_WE;
-	ls_pcie_g4_pf_writel(pcie, PCIE_PF_DBG, val);
+	ls_g4_pcie_pf_writel(pcie, PCIE_PF_DBG, val);
 
-	val = ls_pcie_g4_pf_readl(pcie, PCIE_PF_DBG);
+	val = ls_g4_pcie_pf_readl(pcie, PCIE_PF_DBG);
 	val |= PF_DBG_PABR;
-	ls_pcie_g4_pf_writel(pcie, PCIE_PF_DBG, val);
+	ls_g4_pcie_pf_writel(pcie, PCIE_PF_DBG, val);
 
-	val = ls_pcie_g4_pf_readl(pcie, PCIE_PF_DBG);
+	val = ls_g4_pcie_pf_readl(pcie, PCIE_PF_DBG);
 	val &= ~PF_DBG_WE;
-	ls_pcie_g4_pf_writel(pcie, PCIE_PF_DBG, val);
+	ls_g4_pcie_pf_writel(pcie, PCIE_PF_DBG, val);
 
 	mobiveil_host_init(mv_pci, true);
 
 	to = 100;
-	while (!ls_pcie_g4_link_up(mv_pci) && to--)
+	while (!ls_g4_pcie_link_up(mv_pci) && to--)
 		usleep_range(200, 250);
 	if (to < 0) {
 		dev_err(dev, "PCIe link training timeout\n");
@@ -131,9 +131,9 @@ static int ls_pcie_g4_reinit_hw(struct ls_pcie_g4 *pcie)
 	return 0;
 }
 
-static irqreturn_t ls_pcie_g4_isr(int irq, void *dev_id)
+static irqreturn_t ls_g4_pcie_isr(int irq, void *dev_id)
 {
-	struct ls_pcie_g4 *pcie = (struct ls_pcie_g4 *)dev_id;
+	struct ls_g4_pcie *pcie = (struct ls_g4_pcie *)dev_id;
 	struct mobiveil_pcie *mv_pci = &pcie->pci;
 	u32 val;
 
@@ -142,7 +142,7 @@ static irqreturn_t ls_pcie_g4_isr(int irq, void *dev_id)
 		return IRQ_NONE;
 
 	if (val & PAB_INTP_RESET) {
-		ls_pcie_g4_disable_interrupt(pcie);
+		ls_g4_pcie_disable_interrupt(pcie);
 		schedule_delayed_work(&pcie->dwork, msecs_to_jiffies(1));
 	}
 
@@ -151,9 +151,9 @@ static irqreturn_t ls_pcie_g4_isr(int irq, void *dev_id)
 	return IRQ_HANDLED;
 }
 
-static int ls_pcie_g4_interrupt_init(struct mobiveil_pcie *mv_pci)
+static int ls_g4_pcie_interrupt_init(struct mobiveil_pcie *mv_pci)
 {
-	struct ls_pcie_g4 *pcie = to_ls_pcie_g4(mv_pci);
+	struct ls_g4_pcie *pcie = to_ls_g4_pcie(mv_pci);
 	struct platform_device *pdev = mv_pci->pdev;
 	struct device *dev = &pdev->dev;
 	int ret;
@@ -162,7 +162,7 @@ static int ls_pcie_g4_interrupt_init(struct mobiveil_pcie *mv_pci)
 	if (pcie->irq < 0)
 		return pcie->irq;
 
-	ret = devm_request_irq(dev, pcie->irq, ls_pcie_g4_isr,
+	ret = devm_request_irq(dev, pcie->irq, ls_g4_pcie_isr,
 			       IRQF_SHARED, pdev->name, pcie);
 	if (ret) {
 		dev_err(dev, "Can't register PCIe IRQ, errno = %d\n", ret);
@@ -172,38 +172,38 @@ static int ls_pcie_g4_interrupt_init(struct mobiveil_pcie *mv_pci)
 	return 0;
 }
 
-static void ls_pcie_g4_reset(struct work_struct *work)
+static void ls_g4_pcie_reset(struct work_struct *work)
 {
 	struct delayed_work *dwork = container_of(work, struct delayed_work,
 						  work);
-	struct ls_pcie_g4 *pcie = container_of(dwork, struct ls_pcie_g4, dwork);
+	struct ls_g4_pcie *pcie = container_of(dwork, struct ls_g4_pcie, dwork);
 	struct mobiveil_pcie *mv_pci = &pcie->pci;
 	u16 ctrl;
 
 	ctrl = mobiveil_csr_readw(mv_pci, PCI_BRIDGE_CONTROL);
 	ctrl &= ~PCI_BRIDGE_CTL_BUS_RESET;
 	mobiveil_csr_writew(mv_pci, ctrl, PCI_BRIDGE_CONTROL);
 
-	if (!ls_pcie_g4_reinit_hw(pcie))
+	if (!ls_g4_pcie_reinit_hw(pcie))
 		return;
 
-	ls_pcie_g4_enable_interrupt(pcie);
+	ls_g4_pcie_enable_interrupt(pcie);
 }
 
-static struct mobiveil_rp_ops ls_pcie_g4_rp_ops = {
-	.interrupt_init = ls_pcie_g4_interrupt_init,
+static struct mobiveil_rp_ops ls_g4_pcie_rp_ops = {
+	.interrupt_init = ls_g4_pcie_interrupt_init,
 };
 
-static const struct mobiveil_pab_ops ls_pcie_g4_pab_ops = {
-	.link_up = ls_pcie_g4_link_up,
+static const struct mobiveil_pab_ops ls_g4_pcie_pab_ops = {
+	.link_up = ls_g4_pcie_link_up,
 };
 
-static int __init ls_pcie_g4_probe(struct platform_device *pdev)
+static int __init ls_g4_pcie_probe(struct platform_device *pdev)
 {
 	struct device *dev = &pdev->dev;
 	struct pci_host_bridge *bridge;
 	struct mobiveil_pcie *mv_pci;
-	struct ls_pcie_g4 *pcie;
+	struct ls_g4_pcie *pcie;
 	struct device_node *np = dev->of_node;
 	int ret;
 
@@ -220,36 +220,36 @@ static int __init ls_pcie_g4_probe(struct platform_device *pdev)
 	mv_pci = &pcie->pci;
 
 	mv_pci->pdev = pdev;
-	mv_pci->ops = &ls_pcie_g4_pab_ops;
-	mv_pci->rp.ops = &ls_pcie_g4_rp_ops;
+	mv_pci->ops = &ls_g4_pcie_pab_ops;
+	mv_pci->rp.ops = &ls_g4_pcie_rp_ops;
 	mv_pci->rp.bridge = bridge;
 
 	platform_set_drvdata(pdev, pcie);
 
-	INIT_DELAYED_WORK(&pcie->dwork, ls_pcie_g4_reset);
+	INIT_DELAYED_WORK(&pcie->dwork, ls_g4_pcie_reset);
 
 	ret = mobiveil_pcie_host_probe(mv_pci);
 	if (ret) {
 		dev_err(dev, "Fail to probe\n");
 		return  ret;
 	}
 
-	ls_pcie_g4_enable_interrupt(pcie);
+	ls_g4_pcie_enable_interrupt(pcie);
 
 	return 0;
 }
 
-static const struct of_device_id ls_pcie_g4_of_match[] = {
+static const struct of_device_id ls_g4_pcie_of_match[] = {
 	{ .compatible = "fsl,lx2160a-pcie", },
 	{ },
 };
 
-static struct platform_driver ls_pcie_g4_driver = {
+static struct platform_driver ls_g4_pcie_driver = {
 	.driver = {
 		.name = "layerscape-pcie-gen4",
-		.of_match_table = ls_pcie_g4_of_match,
+		.of_match_table = ls_g4_pcie_of_match,
 		.suppress_bind_attrs = true,
 	},
 };
 
-builtin_platform_driver_probe(ls_pcie_g4_driver, ls_pcie_g4_probe);
+builtin_platform_driver_probe(ls_g4_pcie_driver, ls_g4_pcie_probe);