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jsm: remove remaining flip buffer code

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The flip buffer is not used anymore. Remove its allocation and
declaration in the board structure.

Signed-off-by: Thadeu Lima de Souza Cascardo <cascardo@linux.vnet.ibm.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
This commit is contained in:
Thadeu Lima de Souza Cascardo 2011-08-24 13:14:21 -03:00 committed by Greg Kroah-Hartman
parent a16913a9b3
commit d64bbeb57f
2 changed files with 0 additions and 21 deletions
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3
drivers/tty/serial/jsm/jsm.h
View File

@ -88,7 +88,6 @@ enum {
/* 4 extra for alignment play space */
#define WRITEBUFLEN ((4096) + 4)
#define MYFLIPLEN N_TTY_BUF_SIZE
#define JSM_VERSION "jsm: 1.2-1-INKERNEL"
#define JSM_PARTNUM "40002438_A-INKERNEL"
@ -150,7 +149,6 @@ struct jsm_board
u32 bd_uart_offset; /* Space between each UART */
struct jsm_channel *channels[MAXPORTS]; /* array of pointers to our channels. */
char *flipbuf; /* Our flip buffer, alloced if board is found */
u32 bd_dividend; /* Board/UARTs specific dividend */
@ -177,7 +175,6 @@ struct jsm_board
#define CH_TX_FIFO_LWM 0x0800 /* TX Fifo is below Low Water */
#define CH_BREAK_SENDING 0x1000 /* Break is being sent */
#define CH_LOOPBACK 0x2000 /* Channel is in lookback mode */
#define CH_FLIPBUF_IN_USE 0x4000 /* Channel's flipbuf is in use */
#define CH_BAUD0 0x08000 /* Used for checking B0 transitions */
/* Our Read/Error/Write queue sizes */

18
drivers/tty/serial/jsm/jsm_driver.c
View File

@ -160,27 +160,10 @@ static int __devinit jsm_probe_one(struct pci_dev *pdev, const struct pci_device
dev_info(&pdev->dev, "board %d: Digi Neo (rev %d), irq %d\n",
adapter_count, brd->rev, brd->irq);
/*
* allocate flip buffer for board.
*
* Okay to malloc with GFP_KERNEL, we are not at interrupt
* context, and there are no locks held.
*/
brd->flipbuf = kzalloc(MYFLIPLEN, GFP_KERNEL);
if (!brd->flipbuf) {
/* XXX: leaking all resources from jsm_tty_init and
jsm_uart_port_init here! */
dev_err(&pdev->dev, "memory allocation for flipbuf failed\n");
rc = -ENOMEM;
goto out_free_uart;
}
pci_set_drvdata(pdev, brd);
pci_save_state(pdev);
return 0;
out_free_uart:
jsm_remove_uart_port(brd);
out_free_irq:
jsm_remove_uart_port(brd);
free_irq(brd->irq, brd);
@ -218,7 +201,6 @@ static void __devexit jsm_remove_one(struct pci_dev *pdev)
pci_release_regions(pdev);
pci_disable_device(pdev);
kfree(brd->flipbuf);
kfree(brd);
}