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-rw-r--r--drivers/mtd/nand/Kconfig4
-rw-r--r--drivers/mtd/nand/sh_flctl.c69
-rw-r--r--drivers/sh/intc.c28
-rw-r--r--drivers/sh/pfc.c37
-rw-r--r--drivers/usb/host/r8a66597-hcd.c41
5 files changed, 128 insertions, 51 deletions
diff --git a/drivers/mtd/nand/Kconfig b/drivers/mtd/nand/Kconfig
index 677cd53f18c..bb646560423 100644
--- a/drivers/mtd/nand/Kconfig
+++ b/drivers/mtd/nand/Kconfig
@@ -457,10 +457,10 @@ config MTD_NAND_NOMADIK
config MTD_NAND_SH_FLCTL
tristate "Support for NAND on Renesas SuperH FLCTL"
- depends on MTD_NAND && SUPERH && CPU_SUBTYPE_SH7723
+ depends on MTD_NAND && SUPERH
help
Several Renesas SuperH CPU has FLCTL. This option enables support
- for NAND Flash using FLCTL. This driver support SH7723.
+ for NAND Flash using FLCTL.
config MTD_NAND_DAVINCI
tristate "Support NAND on DaVinci SoC"
diff --git a/drivers/mtd/nand/sh_flctl.c b/drivers/mtd/nand/sh_flctl.c
index 02bef21f2e4..1842df8bdd9 100644
--- a/drivers/mtd/nand/sh_flctl.c
+++ b/drivers/mtd/nand/sh_flctl.c
@@ -1,10 +1,10 @@
/*
* SuperH FLCTL nand controller
*
- * Copyright © 2008 Renesas Solutions Corp.
- * Copyright © 2008 Atom Create Engineering Co., Ltd.
+ * Copyright (c) 2008 Renesas Solutions Corp.
+ * Copyright (c) 2008 Atom Create Engineering Co., Ltd.
*
- * Based on fsl_elbc_nand.c, Copyright © 2006-2007 Freescale Semiconductor
+ * Based on fsl_elbc_nand.c, Copyright (c) 2006-2007 Freescale Semiconductor
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
@@ -75,6 +75,11 @@ static void start_translation(struct sh_flctl *flctl)
writeb(TRSTRT, FLTRCR(flctl));
}
+static void timeout_error(struct sh_flctl *flctl, const char *str)
+{
+ dev_err(&flctl->pdev->dev, "Timeout occured in %s\n", str);
+}
+
static void wait_completion(struct sh_flctl *flctl)
{
uint32_t timeout = LOOP_TIMEOUT_MAX;
@@ -87,7 +92,7 @@ static void wait_completion(struct sh_flctl *flctl)
udelay(1);
}
- printk(KERN_ERR "wait_completion(): Timeout occured \n");
+ timeout_error(flctl, __func__);
writeb(0x0, FLTRCR(flctl));
}
@@ -100,6 +105,8 @@ static void set_addr(struct mtd_info *mtd, int column, int page_addr)
addr = page_addr; /* ERASE1 */
} else if (page_addr != -1) {
/* SEQIN, READ0, etc.. */
+ if (flctl->chip.options & NAND_BUSWIDTH_16)
+ column >>= 1;
if (flctl->page_size) {
addr = column & 0x0FFF;
addr |= (page_addr & 0xff) << 16;
@@ -132,7 +139,7 @@ static void wait_rfifo_ready(struct sh_flctl *flctl)
return;
udelay(1);
}
- printk(KERN_ERR "wait_rfifo_ready(): Timeout occured \n");
+ timeout_error(flctl, __func__);
}
static void wait_wfifo_ready(struct sh_flctl *flctl)
@@ -146,7 +153,7 @@ static void wait_wfifo_ready(struct sh_flctl *flctl)
return;
udelay(1);
}
- printk(KERN_ERR "wait_wfifo_ready(): Timeout occured \n");
+ timeout_error(flctl, __func__);
}
static int wait_recfifo_ready(struct sh_flctl *flctl, int sector_number)
@@ -198,7 +205,7 @@ static int wait_recfifo_ready(struct sh_flctl *flctl, int sector_number)
writel(0, FL4ECCCR(flctl));
}
- printk(KERN_ERR "wait_recfifo_ready(): Timeout occured \n");
+ timeout_error(flctl, __func__);
return 1; /* timeout */
}
@@ -214,7 +221,7 @@ static void wait_wecfifo_ready(struct sh_flctl *flctl)
return;
udelay(1);
}
- printk(KERN_ERR "wait_wecfifo_ready(): Timeout occured \n");
+ timeout_error(flctl, __func__);
}
static void read_datareg(struct sh_flctl *flctl, int offset)
@@ -275,7 +282,7 @@ static void write_fiforeg(struct sh_flctl *flctl, int rlen, int offset)
static void set_cmd_regs(struct mtd_info *mtd, uint32_t cmd, uint32_t flcmcdr_val)
{
struct sh_flctl *flctl = mtd_to_flctl(mtd);
- uint32_t flcmncr_val = readl(FLCMNCR(flctl));
+ uint32_t flcmncr_val = readl(FLCMNCR(flctl)) & ~SEL_16BIT;
uint32_t flcmdcr_val, addr_len_bytes = 0;
/* Set SNAND bit if page size is 2048byte */
@@ -297,6 +304,8 @@ static void set_cmd_regs(struct mtd_info *mtd, uint32_t cmd, uint32_t flcmcdr_va
case NAND_CMD_READOOB:
addr_len_bytes = flctl->rw_ADRCNT;
flcmdcr_val |= CDSRC_E;
+ if (flctl->chip.options & NAND_BUSWIDTH_16)
+ flcmncr_val |= SEL_16BIT;
break;
case NAND_CMD_SEQIN:
/* This case is that cmd is READ0 or READ1 or READ00 */
@@ -305,6 +314,8 @@ static void set_cmd_regs(struct mtd_info *mtd, uint32_t cmd, uint32_t flcmcdr_va
case NAND_CMD_PAGEPROG:
addr_len_bytes = flctl->rw_ADRCNT;
flcmdcr_val |= DOCMD2_E | CDSRC_E | SELRW;
+ if (flctl->chip.options & NAND_BUSWIDTH_16)
+ flcmncr_val |= SEL_16BIT;
break;
case NAND_CMD_READID:
flcmncr_val &= ~SNAND_E;
@@ -523,6 +534,8 @@ static void flctl_cmdfunc(struct mtd_info *mtd, unsigned int command,
set_addr(mtd, 0, page_addr);
flctl->read_bytes = mtd->writesize + mtd->oobsize;
+ if (flctl->chip.options & NAND_BUSWIDTH_16)
+ column >>= 1;
flctl->index += column;
goto read_normal_exit;
@@ -686,6 +699,18 @@ static uint8_t flctl_read_byte(struct mtd_info *mtd)
return data;
}
+static uint16_t flctl_read_word(struct mtd_info *mtd)
+{
+ struct sh_flctl *flctl = mtd_to_flctl(mtd);
+ int index = flctl->index;
+ uint16_t data;
+ uint16_t *buf = (uint16_t *)&flctl->done_buff[index];
+
+ data = *buf;
+ flctl->index += 2;
+ return data;
+}
+
static void flctl_read_buf(struct mtd_info *mtd, uint8_t *buf, int len)
{
int i;
@@ -769,38 +794,36 @@ static int flctl_chip_init_tail(struct mtd_info *mtd)
return 0;
}
-static int __init flctl_probe(struct platform_device *pdev)
+static int __devinit flctl_probe(struct platform_device *pdev)
{
struct resource *res;
struct sh_flctl *flctl;
struct mtd_info *flctl_mtd;
struct nand_chip *nand;
struct sh_flctl_platform_data *pdata;
- int ret;
+ int ret = -ENXIO;
pdata = pdev->dev.platform_data;
if (pdata == NULL) {
- printk(KERN_ERR "sh_flctl platform_data not found.\n");
- return -ENODEV;
+ dev_err(&pdev->dev, "no platform data defined\n");
+ return -EINVAL;
}
flctl = kzalloc(sizeof(struct sh_flctl), GFP_KERNEL);
if (!flctl) {
- printk(KERN_ERR "Unable to allocate NAND MTD dev structure.\n");
+ dev_err(&pdev->dev, "failed to allocate driver data\n");
return -ENOMEM;
}
res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
if (!res) {
- printk(KERN_ERR "%s: resource not found.\n", __func__);
- ret = -ENODEV;
+ dev_err(&pdev->dev, "failed to get I/O memory\n");
goto err;
}
- flctl->reg = ioremap(res->start, res->end - res->start + 1);
+ flctl->reg = ioremap(res->start, resource_size(res));
if (flctl->reg == NULL) {
- printk(KERN_ERR "%s: ioremap error.\n", __func__);
- ret = -ENOMEM;
+ dev_err(&pdev->dev, "failed to remap I/O memory\n");
goto err;
}
@@ -808,6 +831,7 @@ static int __init flctl_probe(struct platform_device *pdev)
flctl_mtd = &flctl->mtd;
nand = &flctl->chip;
flctl_mtd->priv = nand;
+ flctl->pdev = pdev;
flctl->hwecc = pdata->has_hwecc;
flctl_register_init(flctl, pdata->flcmncr_val);
@@ -825,6 +849,11 @@ static int __init flctl_probe(struct platform_device *pdev)
nand->select_chip = flctl_select_chip;
nand->cmdfunc = flctl_cmdfunc;
+ if (pdata->flcmncr_val & SEL_16BIT) {
+ nand->options |= NAND_BUSWIDTH_16;
+ nand->read_word = flctl_read_word;
+ }
+
ret = nand_scan_ident(flctl_mtd, 1);
if (ret)
goto err;
@@ -846,7 +875,7 @@ err:
return ret;
}
-static int __exit flctl_remove(struct platform_device *pdev)
+static int __devexit flctl_remove(struct platform_device *pdev)
{
struct sh_flctl *flctl = platform_get_drvdata(pdev);
diff --git a/drivers/sh/intc.c b/drivers/sh/intc.c
index d5d7f23c19a..7d286aedaee 100644
--- a/drivers/sh/intc.c
+++ b/drivers/sh/intc.c
@@ -872,7 +872,7 @@ device_initcall(register_intc_sysdevs);
/*
* Dynamic IRQ allocation and deallocation
*/
-static unsigned int create_irq_on_node(unsigned int irq_want, int node)
+unsigned int create_irq_nr(unsigned int irq_want, int node)
{
unsigned int irq = 0, new;
unsigned long flags;
@@ -881,24 +881,28 @@ static unsigned int create_irq_on_node(unsigned int irq_want, int node)
spin_lock_irqsave(&vector_lock, flags);
/*
- * First try the wanted IRQ, then scan.
+ * First try the wanted IRQ
*/
- if (test_and_set_bit(irq_want, intc_irq_map)) {
+ if (test_and_set_bit(irq_want, intc_irq_map) == 0) {
+ new = irq_want;
+ } else {
+ /* .. then fall back to scanning. */
new = find_first_zero_bit(intc_irq_map, nr_irqs);
if (unlikely(new == nr_irqs))
goto out_unlock;
- desc = irq_to_desc_alloc_node(new, node);
- if (unlikely(!desc)) {
- pr_info("can't get irq_desc for %d\n", new);
- goto out_unlock;
- }
-
- desc = move_irq_desc(desc, node);
__set_bit(new, intc_irq_map);
- irq = new;
}
+ desc = irq_to_desc_alloc_node(new, node);
+ if (unlikely(!desc)) {
+ pr_info("can't get irq_desc for %d\n", new);
+ goto out_unlock;
+ }
+
+ desc = move_irq_desc(desc, node);
+ irq = new;
+
out_unlock:
spin_unlock_irqrestore(&vector_lock, flags);
@@ -913,7 +917,7 @@ int create_irq(void)
int nid = cpu_to_node(smp_processor_id());
int irq;
- irq = create_irq_on_node(NR_IRQS_LEGACY, nid);
+ irq = create_irq_nr(NR_IRQS_LEGACY, nid);
if (irq == 0)
irq = -1;
diff --git a/drivers/sh/pfc.c b/drivers/sh/pfc.c
index 082604edc4c..cf0303acab8 100644
--- a/drivers/sh/pfc.c
+++ b/drivers/sh/pfc.c
@@ -337,12 +337,39 @@ static int pinmux_config_gpio(struct pinmux_info *gpioc, unsigned gpio,
if (!enum_id)
break;
+ /* first check if this is a function enum */
in_range = enum_in_range(enum_id, &gpioc->function);
- if (!in_range && range) {
- in_range = enum_in_range(enum_id, range);
-
- if (in_range && enum_id == range->force)
- continue;
+ if (!in_range) {
+ /* not a function enum */
+ if (range) {
+ /*
+ * other range exists, so this pin is
+ * a regular GPIO pin that now is being
+ * bound to a specific direction.
+ *
+ * for this case we only allow function enums
+ * and the enums that match the other range.
+ */
+ in_range = enum_in_range(enum_id, range);
+
+ /*
+ * special case pass through for fixed
+ * input-only or output-only pins without
+ * function enum register association.
+ */
+ if (in_range && enum_id == range->force)
+ continue;
+ } else {
+ /*
+ * no other range exists, so this pin
+ * must then be of the function type.
+ *
+ * allow function type pins to select
+ * any combination of function/in/out
+ * in their MARK lists.
+ */
+ in_range = 1;
+ }
}
if (!in_range)
diff --git a/drivers/usb/host/r8a66597-hcd.c b/drivers/usb/host/r8a66597-hcd.c
index 0ceec123ddf..bee558aed42 100644
--- a/drivers/usb/host/r8a66597-hcd.c
+++ b/drivers/usb/host/r8a66597-hcd.c
@@ -35,7 +35,9 @@
#include <linux/usb.h>
#include <linux/platform_device.h>
#include <linux/io.h>
+#include <linux/mm.h>
#include <linux/irq.h>
+#include <asm/cacheflush.h>
#include "../core/hcd.h"
#include "r8a66597.h"
@@ -820,6 +822,26 @@ static void enable_r8a66597_pipe(struct r8a66597 *r8a66597, struct urb *urb,
enable_r8a66597_pipe_dma(r8a66597, dev, pipe, urb);
}
+static void r8a66597_urb_done(struct r8a66597 *r8a66597, struct urb *urb,
+ int status)
+__releases(r8a66597->lock)
+__acquires(r8a66597->lock)
+{
+ if (usb_pipein(urb->pipe) && usb_pipetype(urb->pipe) != PIPE_CONTROL) {
+ void *ptr;
+
+ for (ptr = urb->transfer_buffer;
+ ptr < urb->transfer_buffer + urb->transfer_buffer_length;
+ ptr += PAGE_SIZE)
+ flush_dcache_page(virt_to_page(ptr));
+ }
+
+ usb_hcd_unlink_urb_from_ep(r8a66597_to_hcd(r8a66597), urb);
+ spin_unlock(&r8a66597->lock);
+ usb_hcd_giveback_urb(r8a66597_to_hcd(r8a66597), urb, status);
+ spin_lock(&r8a66597->lock);
+}
+
/* this function must be called with interrupt disabled */
static void force_dequeue(struct r8a66597 *r8a66597, u16 pipenum, u16 address)
{
@@ -838,15 +860,9 @@ static void force_dequeue(struct r8a66597 *r8a66597, u16 pipenum, u16 address)
list_del(&td->queue);
kfree(td);
- if (urb) {
- usb_hcd_unlink_urb_from_ep(r8a66597_to_hcd(r8a66597),
- urb);
+ if (urb)
+ r8a66597_urb_done(r8a66597, urb, -ENODEV);
- spin_unlock(&r8a66597->lock);
- usb_hcd_giveback_urb(r8a66597_to_hcd(r8a66597), urb,
- -ENODEV);
- spin_lock(&r8a66597->lock);
- }
break;
}
}
@@ -1006,6 +1022,8 @@ static void start_root_hub_sampling(struct r8a66597 *r8a66597, int port,
/* this function must be called with interrupt disabled */
static void r8a66597_check_syssts(struct r8a66597 *r8a66597, int port,
u16 syssts)
+__releases(r8a66597->lock)
+__acquires(r8a66597->lock)
{
if (syssts == SE0) {
r8a66597_write(r8a66597, ~ATTCH, get_intsts_reg(port));
@@ -1023,7 +1041,9 @@ static void r8a66597_check_syssts(struct r8a66597 *r8a66597, int port,
usb_hcd_resume_root_hub(r8a66597_to_hcd(r8a66597));
}
+ spin_unlock(&r8a66597->lock);
usb_hcd_poll_rh_status(r8a66597_to_hcd(r8a66597));
+ spin_lock(&r8a66597->lock);
}
/* this function must be called with interrupt disabled */
@@ -1283,10 +1303,7 @@ __releases(r8a66597->lock) __acquires(r8a66597->lock)
if (usb_pipeisoc(urb->pipe))
urb->start_frame = r8a66597_get_frame(hcd);
- usb_hcd_unlink_urb_from_ep(r8a66597_to_hcd(r8a66597), urb);
- spin_unlock(&r8a66597->lock);
- usb_hcd_giveback_urb(hcd, urb, status);
- spin_lock(&r8a66597->lock);
+ r8a66597_urb_done(r8a66597, urb, status);
}
if (restart) {
generated by cgit v1.2.3-70-g09d2 (git 2.46.0) at 2025-02-06 19:10:22 +0000