Merge tag 'mailbox-v6.6' of git://git.linaro.org/landing-teams/working/fujitsu/integration

Pull mailbox updates from Jassi Brar:

 - qcom: fix incorrect num_chans counting

 - mhu: Remove redundant dev_err

 - bcm: fix comments

 - common changes:
    - convert to use devm_platform_get_and_ioremap_resource
    - correct DT includes

* tag 'mailbox-v6.6' of git://git.linaro.org/landing-teams/working/fujitsu/integration:
  mailbox: qcom-ipcc: fix incorrect num_chans counting
  mailbox: Explicitly include correct DT includes
  mailbox: ti-msgmgr: Use devm_platform_ioremap_resource_byname()
  mailbox: platform-mhu: Remove redundant dev_err()
  mailbox: bcm-pdc: Fix some kernel-doc comments
  mailbox: mailbox-test: Fix an error check in mbox_test_probe()
  mailbox: tegra-hsp: Convert to devm_platform_ioremap_resource()
  mailbox: rockchip: Use devm_platform_get_and_ioremap_resource()
  mailbox: mailbox-test: Use devm_platform_get_and_ioremap_resource()
  mailbox: bcm-pdc: Use devm_platform_get_and_ioremap_resource()
  mailbox: bcm-ferxrm-mailbox: Use devm_platform_get_and_ioremap_resource()

drivers/mailbox/arm_mhu.c

@@ -12,6 +12,7 @@
 #include <linux/io.h>
 #include <linux/mailbox_controller.h>
 #include <linux/module.h>
+#include <linux/of.h>
 
 #define INTR_STAT_OFS	0x0
 #define INTR_SET_OFS	0x8

drivers/mailbox/arm_mhu_db.c

@@ -15,7 +15,6 @@
 #include <linux/mailbox_controller.h>
 #include <linux/module.h>
 #include <linux/of.h>
-#include <linux/of_device.h>
 
 #define INTR_STAT_OFS	0x0
 #define INTR_SET_OFS	0x8

drivers/mailbox/bcm-flexrm-mailbox.c

@@ -1501,16 +1501,12 @@ static int flexrm_mbox_probe(struct platform_device *pdev)
 	mbox->dev = dev;
 	platform_set_drvdata(pdev, mbox);
 
-	/* Get resource for registers */
-	iomem = platform_get_resource(pdev, IORESOURCE_MEM, 0);
+	/* Get resource for registers and map registers of all rings */
+	mbox->regs = devm_platform_get_and_ioremap_resource(pdev, 0, &iomem);
 	if (!iomem || (resource_size(iomem) < RING_REGS_SIZE)) {
 		ret = -ENODEV;
 		goto fail;
-	}
-
-	/* Map registers of all rings */
-	mbox->regs = devm_ioremap_resource(&pdev->dev, iomem);
-	if (IS_ERR(mbox->regs)) {
+	} else if (IS_ERR(mbox->regs)) {
 		ret = PTR_ERR(mbox->regs);
 		goto fail;
 	}

drivers/mailbox/bcm-pdc-mailbox.c

@@ -694,7 +694,7 @@ pdc_receive(struct pdc_state *pdcs)
  * pdc_tx_list_sg_add() - Add the buffers in a scatterlist to the transmit
  * descriptors for a given SPU. The scatterlist buffers contain the data for a
  * SPU request message.
- * @spu_idx:   The index of the SPU to submit the request to, [0, max_spu)
+ * @pdcs:      PDC state for the SPU that will process this request
  * @sg:        Scatterlist whose buffers contain part of the SPU request
  *
  * If a scatterlist buffer is larger than PDC_DMA_BUF_MAX, multiple descriptors
@@ -861,7 +861,7 @@ static int pdc_rx_list_init(struct pdc_state *pdcs, struct scatterlist *dst_sg,
  * pdc_rx_list_sg_add() - Add the buffers in a scatterlist to the receive
  * descriptors for a given SPU. The caller must have already DMA mapped the
  * scatterlist.
- * @spu_idx:    Indicates which SPU the buffers are for
+ * @pdcs:       PDC state for the SPU that will process this request
  * @sg:         Scatterlist whose buffers are added to the receive ring
  *
  * If a receive buffer in the scatterlist is larger than PDC_DMA_BUF_MAX,
@@ -960,7 +960,7 @@ static irqreturn_t pdc_irq_handler(int irq, void *data)
 /**
  * pdc_tasklet_cb() - Tasklet callback that runs the deferred processing after
  * a DMA receive interrupt. Reenables the receive interrupt.
- * @data: PDC state structure
+ * @t: Pointer to the Altera sSGDMA channel structure
  */
 static void pdc_tasklet_cb(struct tasklet_struct *t)
 {
@@ -1566,19 +1566,13 @@ static int pdc_probe(struct platform_device *pdev)
 	if (err)
 		goto cleanup_ring_pool;
 
-	pdc_regs = platform_get_resource(pdev, IORESOURCE_MEM, 0);
-	if (!pdc_regs) {
-		err = -ENODEV;
-		goto cleanup_ring_pool;
-	}
-	dev_dbg(dev, "PDC register region res.start = %pa, res.end = %pa",
-		&pdc_regs->start, &pdc_regs->end);
-
-	pdcs->pdc_reg_vbase = devm_ioremap_resource(&pdev->dev, pdc_regs);
+	pdcs->pdc_reg_vbase = devm_platform_get_and_ioremap_resource(pdev, 0, &pdc_regs);
 	if (IS_ERR(pdcs->pdc_reg_vbase)) {
 		err = PTR_ERR(pdcs->pdc_reg_vbase);
 		goto cleanup_ring_pool;
 	}
+	dev_dbg(dev, "PDC register region res.start = %pa, res.end = %pa",
+		&pdc_regs->start, &pdc_regs->end);
 
 	/* create rx buffer pool after dt read to know how big buffers are */
 	err = pdc_rx_buf_pool_create(pdcs);

drivers/mailbox/hi3660-mailbox.c

@@ -11,6 +11,7 @@
 #include <linux/iopoll.h>
 #include <linux/mailbox_controller.h>
 #include <linux/module.h>
+#include <linux/of.h>
 #include <linux/platform_device.h>
 #include <linux/slab.h>
 

drivers/mailbox/hi6220-mailbox.c

@@ -15,6 +15,7 @@
 #include <linux/kfifo.h>
 #include <linux/mailbox_controller.h>
 #include <linux/module.h>
+#include <linux/of.h>
 #include <linux/platform_device.h>
 #include <linux/slab.h>
 

drivers/mailbox/imx-mailbox.c

@@ -14,7 +14,8 @@
 #include <linux/kernel.h>
 #include <linux/mailbox_controller.h>
 #include <linux/module.h>
-#include <linux/of_device.h>
+#include <linux/of.h>
+#include <linux/platform_device.h>
 #include <linux/pm_runtime.h>
 #include <linux/suspend.h>
 #include <linux/slab.h>

drivers/mailbox/mailbox-mpfs.c

@@ -14,6 +14,7 @@
 #include <linux/module.h>
 #include <linux/kernel.h>
 #include <linux/interrupt.h>
+#include <linux/mod_devicetable.h>
 #include <linux/platform_device.h>
 #include <linux/mailbox_controller.h>
 #include <soc/microchip/mpfs.h>

drivers/mailbox/mailbox-test.c

@@ -367,8 +367,7 @@ static int mbox_test_probe(struct platform_device *pdev)
 		return -ENOMEM;
 
 	/* It's okay for MMIO to be NULL */
-	res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
-	tdev->tx_mmio = devm_ioremap_resource(&pdev->dev, res);
+	tdev->tx_mmio = devm_platform_get_and_ioremap_resource(pdev, 0, &res);
 	if (PTR_ERR(tdev->tx_mmio) == -EBUSY) {
 		/* if reserved area in SRAM, try just ioremap */
 		size = resource_size(res);
@@ -378,8 +377,7 @@ static int mbox_test_probe(struct platform_device *pdev)
 	}
 
 	/* If specified, second reg entry is Rx MMIO */
-	res = platform_get_resource(pdev, IORESOURCE_MEM, 1);
-	tdev->rx_mmio = devm_ioremap_resource(&pdev->dev, res);
+	tdev->rx_mmio = devm_platform_get_and_ioremap_resource(pdev, 1, &res);
 	if (PTR_ERR(tdev->rx_mmio) == -EBUSY) {
 		size = resource_size(res);
 		tdev->rx_mmio = devm_ioremap(&pdev->dev, res->start, size);
@@ -390,7 +388,7 @@ static int mbox_test_probe(struct platform_device *pdev)
 	tdev->tx_channel = mbox_test_request_channel(pdev, "tx");
 	tdev->rx_channel = mbox_test_request_channel(pdev, "rx");
 
-	if (!tdev->tx_channel && !tdev->rx_channel)
+	if (IS_ERR_OR_NULL(tdev->tx_channel) && IS_ERR_OR_NULL(tdev->rx_channel))
 		return -EPROBE_DEFER;
 
 	/* If Rx is not specified but has Rx MMIO, then Rx = Tx */

drivers/mailbox/mailbox.c

@@ -17,6 +17,7 @@
 #include <linux/bitops.h>
 #include <linux/mailbox_client.h>
 #include <linux/mailbox_controller.h>
+#include <linux/of.h>
 
 #include "mailbox.h"
 

drivers/mailbox/mtk-adsp-mailbox.c

@@ -10,7 +10,8 @@
 #include <linux/kernel.h>
 #include <linux/mailbox_controller.h>
 #include <linux/module.h>
-#include <linux/of_device.h>
+#include <linux/of.h>
+#include <linux/platform_device.h>
 #include <linux/slab.h>
 
 struct mtk_adsp_mbox_priv {

drivers/mailbox/mtk-cmdq-mailbox.c

@@ -15,7 +15,7 @@
 #include <linux/platform_device.h>
 #include <linux/mailbox_controller.h>
 #include <linux/mailbox/mtk-cmdq-mailbox.h>
-#include <linux/of_device.h>
+#include <linux/of.h>
 
 #define CMDQ_OP_CODE_MASK		(0xff << CMDQ_OP_CODE_SHIFT)
 #define CMDQ_NUM_CMD(t)			(t->cmd_buf_size / CMDQ_INST_SIZE)

drivers/mailbox/omap-mailbox.c

@@ -16,7 +16,7 @@
 #include <linux/kfifo.h>
 #include <linux/err.h>
 #include <linux/module.h>
-#include <linux/of_device.h>
+#include <linux/of.h>
 #include <linux/platform_device.h>
 #include <linux/pm_runtime.h>
 #include <linux/omap-mailbox.h>

drivers/mailbox/platform_mhu.c

@@ -15,6 +15,7 @@
 #include <linux/slab.h>
 #include <linux/err.h>
 #include <linux/io.h>
+#include <linux/mod_devicetable.h>
 #include <linux/module.h>
 #include <linux/platform_device.h>
 #include <linux/mailbox_controller.h>
@@ -135,10 +136,8 @@ static int platform_mhu_probe(struct platform_device *pdev)
 	for (i = 0; i < MHU_CHANS; i++) {
 		mhu->chan[i].con_priv = &mhu->mlink[i];
 		mhu->mlink[i].irq = platform_get_irq(pdev, i);
-		if (mhu->mlink[i].irq < 0) {
-			dev_err(dev, "failed to get irq%d\n", i);
+		if (mhu->mlink[i].irq < 0)
 			return mhu->mlink[i].irq;
-		}
 		mhu->mlink[i].rx_reg = mhu->base + platform_mhu_reg[i];
 		mhu->mlink[i].tx_reg = mhu->mlink[i].rx_reg + TX_REG_OFFSET;
 	}

drivers/mailbox/qcom-ipcc.c

@@ -227,10 +227,8 @@ static int qcom_ipcc_setup_mbox(struct qcom_ipcc *ipcc,
 			ret = of_parse_phandle_with_args(client_dn, "mboxes",
 						"#mbox-cells", j, &curr_ph);
 			of_node_put(curr_ph.np);
-			if (!ret && curr_ph.np == controller_dn) {
+			if (!ret && curr_ph.np == controller_dn)
 				ipcc->num_chans++;
-				break;
-			}
 		}
 	}
 

drivers/mailbox/rockchip-mailbox.c

@@ -8,8 +8,8 @@
 #include <linux/io.h>
 #include <linux/kernel.h>
 #include <linux/mailbox_controller.h>
+#include <linux/of.h>
 #include <linux/module.h>
-#include <linux/of_device.h>
 #include <linux/platform_device.h>
 
 #define MAILBOX_A2B_INTEN		0x00
@@ -194,11 +194,7 @@ static int rockchip_mbox_probe(struct platform_device *pdev)
 	mb->mbox.ops = &rockchip_mbox_chan_ops;
 	mb->mbox.txdone_irq = true;
 
-	res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
-	if (!res)
-		return -ENODEV;
-
-	mb->mbox_base = devm_ioremap_resource(&pdev->dev, res);
+	mb->mbox_base = devm_platform_get_and_ioremap_resource(pdev, 0, &res);
 	if (IS_ERR(mb->mbox_base))
 		return PTR_ERR(mb->mbox_base);
 

drivers/mailbox/sprd-mailbox.c

@@ -11,7 +11,7 @@
 #include <linux/io.h>
 #include <linux/mailbox_controller.h>
 #include <linux/module.h>
-#include <linux/of_device.h>
+#include <linux/of.h>
 #include <linux/platform_device.h>
 #include <linux/clk.h>
 

drivers/mailbox/stm32-ipcc.c

@@ -11,6 +11,7 @@
 #include <linux/io.h>
 #include <linux/mailbox_controller.h>
 #include <linux/module.h>
+#include <linux/of.h>
 #include <linux/platform_device.h>
 #include <linux/pm_wakeirq.h>
 

drivers/mailbox/tegra-hsp.c

@@ -8,7 +8,6 @@
 #include <linux/io.h>
 #include <linux/mailbox_controller.h>
 #include <linux/of.h>
-#include <linux/of_device.h>
 #include <linux/platform_device.h>
 #include <linux/pm.h>
 #include <linux/slab.h>
@@ -728,7 +727,6 @@ static int tegra_hsp_request_shared_irq(struct tegra_hsp *hsp)
 static int tegra_hsp_probe(struct platform_device *pdev)
 {
 	struct tegra_hsp *hsp;
-	struct resource *res;
 	unsigned int i;
 	u32 value;
 	int err;
@@ -742,8 +740,7 @@ static int tegra_hsp_probe(struct platform_device *pdev)
 	INIT_LIST_HEAD(&hsp->doorbells);
 	spin_lock_init(&hsp->lock);
 
-	res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
-	hsp->regs = devm_ioremap_resource(&pdev->dev, res);
+	hsp->regs = devm_platform_ioremap_resource(pdev, 0);
 	if (IS_ERR(hsp->regs))
 		return PTR_ERR(hsp->regs);
 

drivers/mailbox/ti-msgmgr.c

@@ -812,7 +812,6 @@ static int ti_msgmgr_probe(struct platform_device *pdev)
 	struct device *dev = &pdev->dev;
 	const struct of_device_id *of_id;
 	struct device_node *np;
-	struct resource *res;
 	const struct ti_msgmgr_desc *desc;
 	struct ti_msgmgr_inst *inst;
 	struct ti_queue_inst *qinst;
@@ -843,22 +842,19 @@ static int ti_msgmgr_probe(struct platform_device *pdev)
 	inst->dev = dev;
 	inst->desc = desc;
 
-	res = platform_get_resource_byname(pdev, IORESOURCE_MEM,
-					   desc->data_region_name);
-	inst->queue_proxy_region = devm_ioremap_resource(dev, res);
+	inst->queue_proxy_region =
+		devm_platform_ioremap_resource_byname(pdev, desc->data_region_name);
 	if (IS_ERR(inst->queue_proxy_region))
 		return PTR_ERR(inst->queue_proxy_region);
 
-	res = platform_get_resource_byname(pdev, IORESOURCE_MEM,
-					   desc->status_region_name);
-	inst->queue_state_debug_region = devm_ioremap_resource(dev, res);
+	inst->queue_state_debug_region =
+		devm_platform_ioremap_resource_byname(pdev, desc->status_region_name);
 	if (IS_ERR(inst->queue_state_debug_region))
 		return PTR_ERR(inst->queue_state_debug_region);
 
 	if (desc->is_sproxy) {
-		res = platform_get_resource_byname(pdev, IORESOURCE_MEM,
-						   desc->ctrl_region_name);
-		inst->queue_ctrl_region = devm_ioremap_resource(dev, res);
+		inst->queue_ctrl_region =
+			devm_platform_ioremap_resource_byname(pdev, desc->ctrl_region_name);
 		if (IS_ERR(inst->queue_ctrl_region))
 			return PTR_ERR(inst->queue_ctrl_region);
 	}

drivers/mailbox/zynqmp-ipi-mailbox.c

@@ -16,8 +16,6 @@
 #include <linux/module.h>
 #include <linux/of.h>
 #include <linux/of_address.h>
-#include <linux/of_device.h>
-#include <linux/of_irq.h>
 #include <linux/platform_device.h>
 
 /* IPI agent ID any */