mailbox/omap: drop legacy platform device support
OMAP mailbox devices can no longer be created in legacy non-DT
mode, all the relevant code has been cleaned up. The OMAP mailbox
driver will only support devices created from DT going forward,
so drop the legacy platform device support from the driver.
Signed-off-by: Suman Anna <s-anna@ti.com>
Signed-off-by: Jassi Brar <jaswinder.singh@linaro.org>
diff --git a/drivers/mailbox/omap-mailbox.c b/drivers/mailbox/omap-mailbox.c
index b7f636f..8754d81 100644
--- a/drivers/mailbox/omap-mailbox.c
+++ b/drivers/mailbox/omap-mailbox.c
@@ -2,7 +2,7 @@
* OMAP mailbox driver
*
* Copyright (C) 2006-2009 Nokia Corporation. All rights reserved.
- * Copyright (C) 2013-2014 Texas Instruments Inc.
+ * Copyright (C) 2013-2016 Texas Instruments Incorporated - http://www.ti.com
*
* Contact: Hiroshi DOYU <Hiroshi.DOYU@nokia.com>
* Suman Anna <s-anna@ti.com>
@@ -33,7 +33,6 @@
#include <linux/of_device.h>
#include <linux/platform_device.h>
#include <linux/pm_runtime.h>
-#include <linux/platform_data/mailbox-omap.h>
#include <linux/omap-mailbox.h>
#include <linux/mailbox_controller.h>
#include <linux/mailbox_client.h>
@@ -69,6 +68,10 @@
#define MBOX_NR_REGS (MBOX_REG_SIZE / sizeof(u32))
#define OMAP4_MBOX_NR_REGS (OMAP4_MBOX_REG_SIZE / sizeof(u32))
+/* Interrupt register configuration types */
+#define MBOX_INTR_CFG_TYPE1 0
+#define MBOX_INTR_CFG_TYPE2 1
+
struct omap_mbox_fifo {
unsigned long msg;
unsigned long fifo_stat;
@@ -696,8 +699,6 @@
int ret;
struct mbox_chan *chnls;
struct omap_mbox **list, *mbox, *mboxblk;
- struct omap_mbox_pdata *pdata = pdev->dev.platform_data;
- struct omap_mbox_dev_info *info = NULL;
struct omap_mbox_fifo_info *finfo, *finfoblk;
struct omap_mbox_device *mdev;
struct omap_mbox_fifo *fifo;
@@ -710,36 +711,26 @@
u32 l;
int i;
- if (!node && (!pdata || !pdata->info_cnt || !pdata->info)) {
- pr_err("%s: platform not supported\n", __func__);
+ if (!node) {
+ pr_err("%s: only DT-based devices are supported\n", __func__);
return -ENODEV;
}
- if (node) {
- match = of_match_device(omap_mailbox_of_match, &pdev->dev);
- if (!match)
- return -ENODEV;
- intr_type = (u32)match->data;
+ match = of_match_device(omap_mailbox_of_match, &pdev->dev);
+ if (!match)
+ return -ENODEV;
+ intr_type = (u32)match->data;
- if (of_property_read_u32(node, "ti,mbox-num-users",
- &num_users))
- return -ENODEV;
+ if (of_property_read_u32(node, "ti,mbox-num-users", &num_users))
+ return -ENODEV;
- if (of_property_read_u32(node, "ti,mbox-num-fifos",
- &num_fifos))
- return -ENODEV;
+ if (of_property_read_u32(node, "ti,mbox-num-fifos", &num_fifos))
+ return -ENODEV;
- info_count = of_get_available_child_count(node);
- if (!info_count) {
- dev_err(&pdev->dev, "no available mbox devices found\n");
- return -ENODEV;
- }
- } else { /* non-DT device creation */
- info_count = pdata->info_cnt;
- info = pdata->info;
- intr_type = pdata->intr_type;
- num_users = pdata->num_users;
- num_fifos = pdata->num_fifos;
+ info_count = of_get_available_child_count(node);
+ if (!info_count) {
+ dev_err(&pdev->dev, "no available mbox devices found\n");
+ return -ENODEV;
}
finfoblk = devm_kzalloc(&pdev->dev, info_count * sizeof(*finfoblk),
@@ -750,38 +741,28 @@
finfo = finfoblk;
child = NULL;
for (i = 0; i < info_count; i++, finfo++) {
- if (node) {
- child = of_get_next_available_child(node, child);
- ret = of_property_read_u32_array(child, "ti,mbox-tx",
- tmp, ARRAY_SIZE(tmp));
- if (ret)
- return ret;
- finfo->tx_id = tmp[0];
- finfo->tx_irq = tmp[1];
- finfo->tx_usr = tmp[2];
+ child = of_get_next_available_child(node, child);
+ ret = of_property_read_u32_array(child, "ti,mbox-tx", tmp,
+ ARRAY_SIZE(tmp));
+ if (ret)
+ return ret;
+ finfo->tx_id = tmp[0];
+ finfo->tx_irq = tmp[1];
+ finfo->tx_usr = tmp[2];
- ret = of_property_read_u32_array(child, "ti,mbox-rx",
- tmp, ARRAY_SIZE(tmp));
- if (ret)
- return ret;
- finfo->rx_id = tmp[0];
- finfo->rx_irq = tmp[1];
- finfo->rx_usr = tmp[2];
+ ret = of_property_read_u32_array(child, "ti,mbox-rx", tmp,
+ ARRAY_SIZE(tmp));
+ if (ret)
+ return ret;
+ finfo->rx_id = tmp[0];
+ finfo->rx_irq = tmp[1];
+ finfo->rx_usr = tmp[2];
- finfo->name = child->name;
+ finfo->name = child->name;
- if (of_find_property(child, "ti,mbox-send-noirq", NULL))
- finfo->send_no_irq = true;
- } else {
- finfo->tx_id = info->tx_id;
- finfo->rx_id = info->rx_id;
- finfo->tx_usr = info->usr_id;
- finfo->tx_irq = info->irq_id;
- finfo->rx_usr = info->usr_id;
- finfo->rx_irq = info->irq_id;
- finfo->name = info->name;
- info++;
- }
+ if (of_find_property(child, "ti,mbox-send-noirq", NULL))
+ finfo->send_no_irq = true;
+
if (finfo->tx_id >= num_fifos || finfo->rx_id >= num_fifos ||
finfo->tx_usr >= num_users || finfo->rx_usr >= num_users)
return -EINVAL;