diff options
Diffstat (limited to 'drivers/char/ip2/ip2main.c')
| -rw-r--r-- | drivers/char/ip2/ip2main.c | 47 |
1 files changed, 36 insertions, 11 deletions
diff --git a/drivers/char/ip2/ip2main.c b/drivers/char/ip2/ip2main.c index c12cf8fc4be..e19df02ec86 100644 --- a/drivers/char/ip2/ip2main.c +++ b/drivers/char/ip2/ip2main.c @@ -98,6 +98,8 @@ #include <linux/major.h> #include <linux/wait.h> #include <linux/device.h> +#include <linux/firmware.h> +#include <linux/platform_device.h> #include <linux/tty.h> #include <linux/tty_flip.h> @@ -155,9 +157,7 @@ static char *pcDriver_name = "ip2"; static char *pcIpl = "ip2ipl"; // cheezy kludge or genius - you decide? -int ip2_loadmain(int *, int *, unsigned char *, int); -static unsigned char *Fip_firmware; -static int Fip_firmware_size; +int ip2_loadmain(int *, int *); /***********************/ /* Function Prototypes */ @@ -208,7 +208,7 @@ static int ip2_ipl_open(struct inode *, struct file *); static int DumpTraceBuffer(char __user *, int); static int DumpFifoBuffer( char __user *, int); -static void ip2_init_board(int); +static void ip2_init_board(int, const struct firmware *); static unsigned short find_eisa_board(int); /***************/ @@ -474,8 +474,27 @@ static const struct tty_operations ip2_ops = { /* SA_RANDOM - can be source for cert. random number generators */ #define IP2_SA_FLAGS 0 + +static const struct firmware *ip2_request_firmware(void) +{ + struct platform_device *pdev; + const struct firmware *fw; + + pdev = platform_device_register_simple("ip2", 0, NULL, 0); + if (IS_ERR(pdev)) { + printk(KERN_ERR "Failed to register platform device for ip2\n"); + return NULL; + } + if (request_firmware(&fw, "intelliport2.bin", &pdev->dev)) { + printk(KERN_ERR "Failed to load firmware 'intelliport2.bin'\n"); + fw = NULL; + } + platform_device_unregister(pdev); + return fw; +} + int -ip2_loadmain(int *iop, int *irqp, unsigned char *firmware, int firmsize) +ip2_loadmain(int *iop, int *irqp) { int i, j, box; int err = 0; @@ -483,6 +502,7 @@ ip2_loadmain(int *iop, int *irqp, unsigned char *firmware, int firmsize) i2eBordStrPtr pB = NULL; int rc = -1; static struct pci_dev *pci_dev_i = NULL; + const struct firmware *fw = NULL; ip2trace (ITRC_NO_PORT, ITRC_INIT, ITRC_ENTER, 0 ); @@ -516,9 +536,6 @@ ip2_loadmain(int *iop, int *irqp, unsigned char *firmware, int firmsize) } poll_only = !poll_only; - Fip_firmware = firmware; - Fip_firmware_size = firmsize; - /* Announce our presence */ printk( KERN_INFO "%s version %s\n", pcName, pcVersion ); @@ -638,10 +655,18 @@ ip2_loadmain(int *iop, int *irqp, unsigned char *firmware, int firmsize) } } for ( i = 0; i < IP2_MAX_BOARDS; ++i ) { + /* We don't want to request the firmware unless we have at + least one board */ if ( i2BoardPtrTable[i] != NULL ) { - ip2_init_board( i ); + if (!fw) + fw = ip2_request_firmware(); + if (!fw) + break; + ip2_init_board(i, fw); } } + if (fw) + release_firmware(fw); ip2trace (ITRC_NO_PORT, ITRC_INIT, 2, 0 ); @@ -769,7 +794,7 @@ out: /* are reported on the console. */ /******************************************************************************/ static void -ip2_init_board( int boardnum ) +ip2_init_board(int boardnum, const struct firmware *fw) { int i; int nports = 0, nboxes = 0; @@ -789,7 +814,7 @@ ip2_init_board( int boardnum ) goto err_initialize; } - if ( iiDownloadAll ( pB, (loadHdrStrPtr)Fip_firmware, 1, Fip_firmware_size ) + if ( iiDownloadAll ( pB, (loadHdrStrPtr)fw->data, 1, fw->size ) != II_DOWN_GOOD ) { printk ( KERN_ERR "IP2: failed to download loadware\n" ); goto err_release_region; |