summaryrefslogtreecommitdiffstats
path: root/drivers/serial
diff options
context:
space:
mode:
authorLinus Torvalds <torvalds@linux-foundation.org>2009-04-07 16:40:55 +0200
committerLinus Torvalds <torvalds@linux-foundation.org>2009-04-07 16:40:55 +0200
commit44d84afa834b799560d7dbe47250ad7557f5ca2f (patch)
treed18b90078503c956d32f9f0c6524bc43ece96b25 /drivers/serial
parentramfs: fix double freeing s_fs_info on failed mount (diff)
parentpowerpc: Fix oops when loading modules (diff)
downloadlinux-44d84afa834b799560d7dbe47250ad7557f5ca2f.tar.xz
linux-44d84afa834b799560d7dbe47250ad7557f5ca2f.zip
Merge branch 'merge' of git://git.kernel.org/pub/scm/linux/kernel/git/paulus/powerpc
* 'merge' of git://git.kernel.org/pub/scm/linux/kernel/git/paulus/powerpc: (28 commits) powerpc: Fix oops when loading modules powerpc: Wire up preadv and pwritev powerpc/ftrace: Fix printf format warning powerpc/ftrace: Fix #if that should be #ifdef powerpc: Fix ptrace compat wrapper for FPU register access powerpc: Print information about mapping hw irqs to virtual irqs powerpc: Correct dependency of KEXEC powerpc: Disable VSX or current process in giveup_fpu/altivec powerpc/pseries: Enable relay in pseries_defconfig powerpc/pseries: Fix ibm,client-architecture comment powerpc/pseries: Scan for all events in rtasd powerpc/pseries: Add dispatch dispersion statistics powerpc: Clean up some prom printouts powerpc: Print progress of ibm,client-architecture method powerpc: Remove duplicated #include's powerpc/pmac: Fix internal modem IRQ on Wallstreet PowerBook powerpc/wdrtas: Update wdrtas_get_interval to use rtas_data_buf fsl-diu-fb: Pass the proper device for dma mapping routines powerpc/pq2fads: Update device tree for use with device-tree-aware u-boot. cpm_uart: Disable CPM udbg when re-initing CPM uart, even if not the console. ...
Diffstat (limited to 'drivers/serial')
-rw-r--r--drivers/serial/cpm_uart/cpm_uart_core.c14
-rw-r--r--drivers/serial/pmac_zilog.c15
2 files changed, 22 insertions, 7 deletions
diff --git a/drivers/serial/cpm_uart/cpm_uart_core.c b/drivers/serial/cpm_uart/cpm_uart_core.c
index 5c6ef51da274..f8df0681e160 100644
--- a/drivers/serial/cpm_uart/cpm_uart_core.c
+++ b/drivers/serial/cpm_uart/cpm_uart_core.c
@@ -1106,6 +1106,10 @@ static int cpm_uart_init_port(struct device_node *np,
for (i = 0; i < NUM_GPIOS; i++)
pinfo->gpios[i] = of_get_gpio(np, i);
+#ifdef CONFIG_PPC_EARLY_DEBUG_CPM
+ udbg_putc = NULL;
+#endif
+
return cpm_uart_request_port(&pinfo->port);
out_pram:
@@ -1255,10 +1259,6 @@ static int __init cpm_uart_console_setup(struct console *co, char *options)
baud = 9600;
}
-#ifdef CONFIG_PPC_EARLY_DEBUG_CPM
- udbg_putc = NULL;
-#endif
-
if (IS_SMC(pinfo)) {
out_be16(&pinfo->smcup->smc_brkcr, 0);
cpm_line_cr_cmd(pinfo, CPM_CR_STOP_TX);
@@ -1339,13 +1339,13 @@ static int __devinit cpm_uart_probe(struct of_device *ofdev,
dev_set_drvdata(&ofdev->dev, pinfo);
+ /* initialize the device pointer for the port */
+ pinfo->port.dev = &ofdev->dev;
+
ret = cpm_uart_init_port(ofdev->node, pinfo);
if (ret)
return ret;
- /* initialize the device pointer for the port */
- pinfo->port.dev = &ofdev->dev;
-
return uart_add_one_port(&cpm_reg, &pinfo->port);
}
diff --git a/drivers/serial/pmac_zilog.c b/drivers/serial/pmac_zilog.c
index ad3488504010..9c1243fbd512 100644
--- a/drivers/serial/pmac_zilog.c
+++ b/drivers/serial/pmac_zilog.c
@@ -1538,6 +1538,21 @@ no_dma:
uap->port.type = PORT_PMAC_ZILOG;
uap->port.flags = 0;
+ /*
+ * Fixup for the port on Gatwick for which the device-tree has
+ * missing interrupts. Normally, the macio_dev would contain
+ * fixed up interrupt info, but we use the device-tree directly
+ * here due to early probing so we need the fixup too.
+ */
+ if (uap->port.irq == NO_IRQ &&
+ np->parent && np->parent->parent &&
+ of_device_is_compatible(np->parent->parent, "gatwick")) {
+ /* IRQs on gatwick are offset by 64 */
+ uap->port.irq = irq_create_mapping(NULL, 64 + 15);
+ uap->tx_dma_irq = irq_create_mapping(NULL, 64 + 4);
+ uap->rx_dma_irq = irq_create_mapping(NULL, 64 + 5);
+ }
+
/* Setup some valid baud rate information in the register
* shadows so we don't write crap there before baud rate is
* first initialized.