Messages in this thread Patch in this message |  | | Subject | [PATCH] 2.4.10-ac8 PnP BIOS fix #2 | From | Thomas Hood <> | Date | 07 Oct 2001 21:52:43 -0400 |
| |
Here is a second patch to 2.4.10-ac8 PnP BIOS driver. It adds error reporting to the dev_node_info, get_dev_node, and set_dev_node functions. It applies on top of patch #1.
// Thomas --- linux-2.4.10-ac8-fix/drivers/pnp/pnp_bios.c Sun Oct 7 15:37:29 2001 +++ linux-2.4.10-ac7-fix/drivers/pnp/pnp_bios.c Sun Oct 7 12:44:02 2001 @@ -236,7 +236,7 @@ /* * Call PnP BIOS with function 0x00, "get number of system device nodes" */ -int pnp_bios_dev_node_info(struct pnp_dev_node_info *data) +static int pnp_bios_dev_node_info_silently(struct pnp_dev_node_info *data) { u16 status; if (!pnp_bios_present ()) @@ -247,6 +247,14 @@ return status; } +int pnp_bios_dev_node_info(struct pnp_dev_node_info *data) +{ + u16 status = pnp_bios_dev_node_info_silently( data ); + if ( status ) + printk(KERN_WARNING "PnPBIOS: PnP BIOS dev_node_info function returned error status 0x%x\n", status); + return status; +} + /* * Note that some PnP BIOSes (on Sony Vaio laptops) die a horrible * death if they are asked to access the "current" configuration @@ -261,7 +269,7 @@ * or volatile current (0) config * Output: *nodenum=next node or 0xff if no more nodes */ -int pnp_bios_get_dev_node(u8 *nodenum, char boot, struct pnp_bios_node *data) +static int pnp_bios_get_dev_node_silently(u8 *nodenum, char boot, struct pnp_bios_node *data) { u16 status; if (!pnp_bios_present ()) @@ -272,19 +280,35 @@ return status; } +int pnp_bios_get_dev_node(u8 *nodenum, char boot, struct pnp_bios_node *data) +{ + u16 status = pnp_bios_get_dev_node_silently( nodenum, boot, data ); + if ( status ) + printk(KERN_WARNING "PnPBIOS: PnP BIOS get_dev_node function returned error status 0x%x\n", status); + return status; +} + /* * Call PnP BIOS with function 0x02, "set system device node" * Input: *nodenum = desired node, * boot = whether to set nonvolatile boot (!=0) * or volatile current (0) config */ -int pnp_bios_set_dev_node(u8 nodenum, char boot, struct pnp_bios_node *data) +static int pnp_bios_set_dev_node_silently(u8 nodenum, char boot, struct pnp_bios_node *data) { u16 status; if (!pnp_bios_present ()) return PNP_FUNCTION_NOT_SUPPORTED; Q2_SET_SEL(PNP_TS1, data, /* *((u16 *) data)*/ 65536); status = call_pnp_bios(PNP_SET_SYS_DEV_NODE, nodenum, 0, PNP_TS1, boot ? 2 : 1, PNP_DS, 0, 0); + return status; +} + +int pnp_bios_set_dev_node(u8 nodenum, char boot, struct pnp_bios_node *data) +{ + u16 status = pnp_bios_set_dev_node_silently( nodenum, boot, data ); + if ( status ) + printk(KERN_WARNING "PnPBIOS: PnP BIOS set_dev_node function returned error status 0x%x\n", status); return status; } - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
|  |