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Commit de0138da authored by Stephen Rothwell's avatar Stephen Rothwell
Browse files

[POWERPC] The two vio HVC backends clash 



Make sure only one of them actually registers as a driver.

Also, remove cast from get_property().

Signed-off-by: default avatarStephen Rothwell <sfr@canb.auug.org.au>
parent ef26a46f

drivers/char/hvc_iseries.c

+6 −2
Original line number Diff line number Diff line
@@ -29,6 +29,7 @@ 
#include <asm/hvconsole.h>

#include <asm/vio.h>

#include <asm/prom.h>

#include <asm/firmware.h>

#include <asm/iseries/vio.h>

#include <asm/iseries/hv_call.h>

#include <asm/iseries/hv_lp_config.h>
@@ -493,6 +494,9 @@ static int hvc_vio_init(void) 
	atomic_t wait_flag;

	int rc;



	if (!firmware_has_feature(FW_FEATURE_ISERIES))

		return -EIO;



	/* +2 for fudge */

	rc = viopath_open(HvLpConfig_getPrimaryLpIndex(),

			viomajorsubtype_chario, VIOCHAR_WINDOW + 2);
@@ -567,7 +571,7 @@ static int hvc_find_vtys(void) 


	for (vty = of_find_node_by_name(NULL, "vty"); vty != NULL;

			vty = of_find_node_by_name(vty, "vty")) {

		uint32_t *vtermno;

		const uint32_t *vtermno;



		/* We have statically defined space for only a certain number

		 * of console adapters.
@@ -576,7 +580,7 @@ static int hvc_find_vtys(void) 
				(num_found >= VTTY_PORTS))

			break;



		vtermno = (uint32_t *)get_property(vty, "reg", NULL);

		vtermno = get_property(vty, "reg", NULL);

		if (!vtermno)

			continue;

drivers/char/hvc_vio.c

+4 −0
Original line number Diff line number Diff line
@@ -35,6 +35,7 @@ 
#include <asm/hvconsole.h>

#include <asm/vio.h>

#include <asm/prom.h>

#include <asm/firmware.h>



#include "hvc_console.h"
@@ -120,6 +121,9 @@ static int hvc_vio_init(void) 
{

	int rc;



	if (firmware_has_feature(FW_FEATURE_ISERIES))

		return -EIO;



	/* Register as a vio device to receive callbacks */

	rc = vio_register_driver(&hvc_vio_driver);