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Message-Id: <1314202463-12297-1-git-send-email-cascardo@linux.vnet.ibm.com>
Date: Wed, 24 Aug 2011 13:14:21 -0300
From: Thadeu Lima de Souza Cascardo <cascardo@...ux.vnet.ibm.com>
To: Breno Leitao <leitao@...ux.vnet.ibm.com>
Cc: Alan Cox <alan@...ux.intel.com>, linux-serial@...r.kernel.org,
linux-kernel@...r.kernel.org,
Thadeu Lima de Souza Cascardo <cascardo@...ux.vnet.ibm.com>
Subject: [PATCH 1/3] jsm: remove remaining flip buffer code
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@...ux.vnet.ibm.com>
---
drivers/tty/serial/jsm/jsm.h | 3 ---
drivers/tty/serial/jsm/jsm_driver.c | 18 ------------------
2 files changed, 0 insertions(+), 21 deletions(-)
diff --git a/drivers/tty/serial/jsm/jsm.h b/drivers/tty/serial/jsm/jsm.h
index b704c8c..cd53bdd 100644
--- a/drivers/tty/serial/jsm/jsm.h
+++ b/drivers/tty/serial/jsm/jsm.h
@@ -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 */
diff --git a/drivers/tty/serial/jsm/jsm_driver.c b/drivers/tty/serial/jsm/jsm_driver.c
index 96da178..1cc8cf6 100644
--- a/drivers/tty/serial/jsm/jsm_driver.c
+++ b/drivers/tty/serial/jsm/jsm_driver.c
@@ -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);
}
--
1.7.4.4
--
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