From 87a705dde49d0c482fa818f0923af59ed0954d5d Mon Sep 17 00:00:00 2001 From: Francesco VIRLINZI Date: Fri, 4 Dec 2009 08:57:58 +0000 Subject: sh: intc: Fixed resume from hibernation This patch fixes the resume from hibernation in the intc sysdev device when it manages 'redirect' irq Signed-off-by: Francesco Virlinzi Signed-off-by: Paul Mundt --- drivers/sh/intc.c | 2 ++ 1 file changed, 2 insertions(+) (limited to 'drivers') diff --git a/drivers/sh/intc.c b/drivers/sh/intc.c index a7e5c2e..88f5aaf 100644 --- a/drivers/sh/intc.c +++ b/drivers/sh/intc.c @@ -806,6 +806,8 @@ static int intc_suspend(struct sys_device *dev, pm_message_t state) if (d->state.event != PM_EVENT_FREEZE) break; for_each_irq_desc(irq, desc) { + if (desc->handle_irq == intc_redirect_irq) + continue if (desc->chip != &d->chip) continue; if (desc->status & IRQ_DISABLED) -- cgit v1.1 From ef61aae4ddf1dbd0e9b6ad21e2e57632a8fe76f6 Mon Sep 17 00:00:00 2001 From: Magnus Damm Date: Mon, 7 Dec 2009 14:20:06 +0000 Subject: sh: add a start_transfer() callback to the LCDC driver This patch adds a ->start_transfer() callback to the driver sh_mobile_lcdcfb.c. The callback is used to program the LCDC panel in the case of one-shot mode. Needed by the LCD controller used on the KFR2R09 board. Signed-off-by: Magnus Damm Signed-off-by: Paul Mundt --- drivers/video/sh_mobile_lcdcfb.c | 10 +++++++++- 1 file changed, 9 insertions(+), 1 deletion(-) (limited to 'drivers') diff --git a/drivers/video/sh_mobile_lcdcfb.c b/drivers/video/sh_mobile_lcdcfb.c index b4b5de9..d346bba 100644 --- a/drivers/video/sh_mobile_lcdcfb.c +++ b/drivers/video/sh_mobile_lcdcfb.c @@ -281,6 +281,7 @@ static void sh_mobile_lcdc_deferred_io(struct fb_info *info, struct list_head *pagelist) { struct sh_mobile_lcdc_chan *ch = info->par; + struct sh_mobile_lcdc_board_cfg *bcfg = &ch->cfg.board_cfg; /* enable clocks before accessing hardware */ sh_mobile_lcdc_clk_on(ch->lcdc); @@ -305,10 +306,17 @@ static void sh_mobile_lcdc_deferred_io(struct fb_info *info, /* trigger panel update */ dma_map_sg(info->dev, ch->sglist, nr_pages, DMA_TO_DEVICE); + if (bcfg->start_transfer) + bcfg->start_transfer(bcfg->board_data, ch, + &sh_mobile_lcdc_sys_bus_ops); lcdc_write_chan(ch, LDSM2R, 1); dma_unmap_sg(info->dev, ch->sglist, nr_pages, DMA_TO_DEVICE); - } else + } else { + if (bcfg->start_transfer) + bcfg->start_transfer(bcfg->board_data, ch, + &sh_mobile_lcdc_sys_bus_ops); lcdc_write_chan(ch, LDSM2R, 1); + } } static void sh_mobile_lcdc_deferred_io_touch(struct fb_info *info) -- cgit v1.1 From 0a753d58f901913e3e6416baeac437ee83eda90d Mon Sep 17 00:00:00 2001 From: Paul Mundt Date: Wed, 9 Dec 2009 14:36:16 +0900 Subject: sh: intc: Fixup compile breakage. The resume from hibernation patch introduced build failure, fix it up.. Signed-off-by: Paul Mundt --- drivers/sh/intc.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) (limited to 'drivers') diff --git a/drivers/sh/intc.c b/drivers/sh/intc.c index 88f5aaf..d5d7f23 100644 --- a/drivers/sh/intc.c +++ b/drivers/sh/intc.c @@ -807,7 +807,7 @@ static int intc_suspend(struct sys_device *dev, pm_message_t state) break; for_each_irq_desc(irq, desc) { if (desc->handle_irq == intc_redirect_irq) - continue + continue; if (desc->chip != &d->chip) continue; if (desc->status & IRQ_DISABLED) -- cgit v1.1 From ca6f2d7fafd2d48b2f6943f5c6787beaec2014d0 Mon Sep 17 00:00:00 2001 From: Paul Mundt Date: Wed, 9 Dec 2009 15:51:27 +0900 Subject: sh: pfc: Fixup type mismatch in debug printks. !!value works out to an int while we were still using %ld, so fix this up and shut gcc up. Signed-off-by: Paul Mundt --- drivers/sh/pfc.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) (limited to 'drivers') diff --git a/drivers/sh/pfc.c b/drivers/sh/pfc.c index 841ed50..082604e 100644 --- a/drivers/sh/pfc.c +++ b/drivers/sh/pfc.c @@ -71,7 +71,7 @@ static void gpio_write_bit(struct pinmux_data_reg *dr, pos = dr->reg_width - (in_pos + 1); - pr_debug("write_bit addr = %lx, value = %ld, pos = %ld, " + pr_debug("write_bit addr = %lx, value = %d, pos = %ld, " "r_width = %ld\n", dr->reg, !!value, pos, dr->reg_width); -- cgit v1.1 From 7b6fd3bf82c4901f6ba0101ba71a5c507c24f9cf Mon Sep 17 00:00:00 2001 From: Magnus Damm Date: Mon, 14 Dec 2009 10:24:42 +0000 Subject: sh-sci: Extend sh-sci driver with early console V2 This is V2 of early serial console support for the sh-sci driver. The early serial console is using early platform devices and "earlyprintk". To use this feature the early platform devices must be broken out to one device per port and the desired port should be selected on the kernel command line like: "earlyprintk=sh-sci.N[,baudrate][,keep]" Signed-off-by: Magnus Damm Signed-off-by: Paul Mundt --- drivers/serial/sh-sci.c | 54 ++++++++++++++++++++++++++++++++++++++++--------- 1 file changed, 45 insertions(+), 9 deletions(-) (limited to 'drivers') diff --git a/drivers/serial/sh-sci.c b/drivers/serial/sh-sci.c index ff38dbd..d96c7c7 100644 --- a/drivers/serial/sh-sci.c +++ b/drivers/serial/sh-sci.c @@ -1043,10 +1043,14 @@ static void __devinit sci_init_single(struct platform_device *dev, sci_port->port.iotype = UPIO_MEM; sci_port->port.line = index; sci_port->port.fifosize = 1; - sci_port->iclk = p->clk ? clk_get(&dev->dev, p->clk) : NULL; - sci_port->dclk = clk_get(&dev->dev, "peripheral_clk"); - sci_port->enable = sci_clk_enable; - sci_port->disable = sci_clk_disable; + + if (dev) { + sci_port->iclk = p->clk ? clk_get(&dev->dev, p->clk) : NULL; + sci_port->dclk = clk_get(&dev->dev, "peripheral_clk"); + sci_port->enable = sci_clk_enable; + sci_port->disable = sci_clk_disable; + sci_port->port.dev = &dev->dev; + } sci_port->break_timer.data = (unsigned long)sci_port; sci_port->break_timer.function = sci_break_timer; @@ -1057,7 +1061,6 @@ static void __devinit sci_init_single(struct platform_device *dev, sci_port->port.irq = p->irqs[SCIx_TXI_IRQ]; sci_port->port.flags = p->flags; - sci_port->port.dev = &dev->dev; sci_port->type = sci_port->port.type = p->type; memcpy(&sci_port->irqs, &p->irqs, sizeof(p->irqs)); @@ -1101,7 +1104,7 @@ static void serial_console_write(struct console *co, const char *s, sci_port->disable(port); } -static int __init serial_console_setup(struct console *co, char *options) +static int __devinit serial_console_setup(struct console *co, char *options) { struct sci_port *sci_port; struct uart_port *port; @@ -1119,9 +1122,14 @@ static int __init serial_console_setup(struct console *co, char *options) if (co->index >= SCI_NPORTS) co->index = 0; - sci_port = &sci_ports[co->index]; - port = &sci_port->port; - co->data = port; + if (co->data) { + port = co->data; + sci_port = to_sci_port(port); + } else { + sci_port = &sci_ports[co->index]; + port = &sci_port->port; + co->data = port; + } /* * Also need to check port->type, we don't actually have any @@ -1165,6 +1173,15 @@ static int __init sci_console_init(void) return 0; } console_initcall(sci_console_init); + +static struct sci_port early_serial_port; +static struct console early_serial_console = { + .name = "early_ttySC", + .write = serial_console_write, + .flags = CON_PRINTBUFFER, +}; +static char early_serial_buf[32]; + #endif /* CONFIG_SERIAL_SH_SCI_CONSOLE */ #if defined(CONFIG_SERIAL_SH_SCI_CONSOLE) @@ -1250,6 +1267,21 @@ static int __devinit sci_probe(struct platform_device *dev) struct sh_sci_priv *priv; int i, ret = -EINVAL; +#ifdef CONFIG_SERIAL_SH_SCI_CONSOLE + if (is_early_platform_device(dev)) { + if (dev->id == -1) + return -ENOTSUPP; + early_serial_console.index = dev->id; + early_serial_console.data = &early_serial_port.port; + sci_init_single(NULL, &early_serial_port, dev->id, p); + serial_console_setup(&early_serial_console, early_serial_buf); + if (!strstr(early_serial_buf, "keep")) + early_serial_console.flags |= CON_BOOT; + register_console(&early_serial_console); + return 0; + } +#endif + priv = kzalloc(sizeof(*priv), GFP_KERNEL); if (!priv) return -ENOMEM; @@ -1349,6 +1381,10 @@ static void __exit sci_exit(void) uart_unregister_driver(&sci_uart_driver); } +#ifdef CONFIG_SERIAL_SH_SCI_CONSOLE +early_platform_init_buffer("earlyprintk", &sci_driver, + early_serial_buf, ARRAY_SIZE(early_serial_buf)); +#endif module_init(sci_init); module_exit(sci_exit); -- cgit v1.1