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Date: Wed, 24 Sep 2008 22:15:20 -0400
From: Jeff Garzik <jeff@...zik.org>
To: akpm@...ux-foundation.org
CC: netdev@...r.kernel.org, galak@...nel.crashing.org,
benh@...nel.crashing.org, paulus@...ba.org, scottwood@...escale.com
Subject: Re: [patch 11/21] fs-enet: remove code associated with !CONFIG_PPC_MERGE
akpm@...ux-foundation.org wrote:
> From: Kumar Gala <galak@...nel.crashing.org>
>
> Now that arch/ppc is gone we don't need CONFIG_PPC_MERGE anymore remove
> the dead code associated with !CONFIG_PPC_MERGE.
>
> With this change the pre_request_irq() and post_free_irq() calls became
> nops so they have been removed. Also removed fs_request_irq() and
> fs_free_irq() and just called request_irq() and free_irq().
>
> Signed-off-by: Kumar Gala <galak@...nel.crashing.org>
> Cc: Benjamin Herrenschmidt <benh@...nel.crashing.org>
> Cc: Paul Mackerras <paulus@...ba.org>
> Cc: Jeff Garzik <jeff@...zik.org>
> Cc: Scott Wood <scottwood@...escale.com>
> Signed-off-by: Andrew Morton <akpm@...ux-foundation.org>
> ---
>
> drivers/net/fs_enet/fs_enet-main.c | 22 ++-----------------
> drivers/net/fs_enet/fs_enet.h | 2 -
> drivers/net/fs_enet/mac-fcc.c | 12 ----------
> drivers/net/fs_enet/mac-fec.c | 30 ---------------------------
> drivers/net/fs_enet/mac-scc.c | 26 -----------------------
> 5 files changed, 3 insertions(+), 89 deletions(-)
>
> diff -puN drivers/net/fs_enet/fs_enet-main.c~fs-enet-remove-code-associated-with-config_ppc_merge drivers/net/fs_enet/fs_enet-main.c
> --- a/drivers/net/fs_enet/fs_enet-main.c~fs-enet-remove-code-associated-with-config_ppc_merge
> +++ a/drivers/net/fs_enet/fs_enet-main.c
> @@ -664,23 +664,6 @@ static int fs_enet_start_xmit(struct sk_
> return NETDEV_TX_OK;
> }
>
> -static int fs_request_irq(struct net_device *dev, int irq, const char *name,
> - irq_handler_t irqf)
> -{
> - struct fs_enet_private *fep = netdev_priv(dev);
> -
> - (*fep->ops->pre_request_irq)(dev, irq);
> - return request_irq(irq, irqf, IRQF_SHARED, name, dev);
> -}
> -
> -static void fs_free_irq(struct net_device *dev, int irq)
> -{
> - struct fs_enet_private *fep = netdev_priv(dev);
> -
> - free_irq(irq, dev);
> - (*fep->ops->post_free_irq)(dev, irq);
> -}
> -
> static void fs_timeout(struct net_device *dev)
> {
> struct fs_enet_private *fep = netdev_priv(dev);
> @@ -800,7 +783,8 @@ static int fs_enet_open(struct net_devic
> napi_enable(&fep->napi);
>
> /* Install our interrupt handler. */
> - r = fs_request_irq(dev, fep->interrupt, "fs_enet-mac", fs_enet_interrupt);
> + r = request_irq(fep->interrupt, fs_enet_interrupt, IRQF_SHARED,
> + "fs_enet-mac", dev);
> if (r != 0) {
> printk(KERN_ERR DRV_MODULE_NAME
> ": %s Could not allocate FS_ENET IRQ!", dev->name);
> @@ -842,7 +826,7 @@ static int fs_enet_close(struct net_devi
> /* release any irqs */
> phy_disconnect(fep->phydev);
> fep->phydev = NULL;
> - fs_free_irq(dev, fep->interrupt);
> + free_irq(fep->interrupt, dev);
>
> return 0;
> }
> diff -puN drivers/net/fs_enet/fs_enet.h~fs-enet-remove-code-associated-with-config_ppc_merge drivers/net/fs_enet/fs_enet.h
> --- a/drivers/net/fs_enet/fs_enet.h~fs-enet-remove-code-associated-with-config_ppc_merge
> +++ a/drivers/net/fs_enet/fs_enet.h
> @@ -34,8 +34,6 @@ struct fs_ops {
> void (*adjust_link)(struct net_device *dev);
> void (*restart)(struct net_device *dev);
> void (*stop)(struct net_device *dev);
> - void (*pre_request_irq)(struct net_device *dev, int irq);
> - void (*post_free_irq)(struct net_device *dev, int irq);
> void (*napi_clear_rx_event)(struct net_device *dev);
> void (*napi_enable_rx)(struct net_device *dev);
> void (*napi_disable_rx)(struct net_device *dev);
> diff -puN drivers/net/fs_enet/mac-fcc.c~fs-enet-remove-code-associated-with-config_ppc_merge drivers/net/fs_enet/mac-fcc.c
> --- a/drivers/net/fs_enet/mac-fcc.c~fs-enet-remove-code-associated-with-config_ppc_merge
> +++ a/drivers/net/fs_enet/mac-fcc.c
> @@ -421,16 +421,6 @@ static void stop(struct net_device *dev)
> fs_cleanup_bds(dev);
> }
>
> -static void pre_request_irq(struct net_device *dev, int irq)
> -{
> - /* nothing */
> -}
> -
> -static void post_free_irq(struct net_device *dev, int irq)
> -{
> - /* nothing */
> -}
> -
> static void napi_clear_rx_event(struct net_device *dev)
> {
> struct fs_enet_private *fep = netdev_priv(dev);
> @@ -540,8 +530,6 @@ const struct fs_ops fs_fcc_ops = {
> .set_multicast_list = set_multicast_list,
> .restart = restart,
> .stop = stop,
> - .pre_request_irq = pre_request_irq,
> - .post_free_irq = post_free_irq,
> .napi_clear_rx_event = napi_clear_rx_event,
> .napi_enable_rx = napi_enable_rx,
> .napi_disable_rx = napi_disable_rx,
> diff -puN drivers/net/fs_enet/mac-fec.c~fs-enet-remove-code-associated-with-config_ppc_merge drivers/net/fs_enet/mac-fec.c
> --- a/drivers/net/fs_enet/mac-fec.c~fs-enet-remove-code-associated-with-config_ppc_merge
> +++ a/drivers/net/fs_enet/mac-fec.c
> @@ -313,11 +313,7 @@ static void restart(struct net_device *d
> * Clear any outstanding interrupt.
> */
> FW(fecp, ievent, 0xffc0);
> -#ifndef CONFIG_PPC_MERGE
> - FW(fecp, ivec, (fep->interrupt / 2) << 29);
> -#else
> FW(fecp, ivec, (virq_to_hw(fep->interrupt) / 2) << 29);
> -#endif
>
> /*
> * adjust to speed (only for DUET & RMII)
> @@ -413,30 +409,6 @@ static void stop(struct net_device *dev)
> }
> }
>
> -static void pre_request_irq(struct net_device *dev, int irq)
> -{
> -#ifndef CONFIG_PPC_MERGE
> - immap_t *immap = fs_enet_immap;
> - u32 siel;
> -
> - /* SIU interrupt */
> - if (irq >= SIU_IRQ0 && irq < SIU_LEVEL7) {
> -
> - siel = in_be32(&immap->im_siu_conf.sc_siel);
> - if ((irq & 1) == 0)
> - siel |= (0x80000000 >> irq);
> - else
> - siel &= ~(0x80000000 >> (irq & ~1));
> - out_be32(&immap->im_siu_conf.sc_siel, siel);
> - }
> -#endif
> -}
> -
> -static void post_free_irq(struct net_device *dev, int irq)
> -{
> - /* nothing */
> -}
> -
> static void napi_clear_rx_event(struct net_device *dev)
> {
> struct fs_enet_private *fep = netdev_priv(dev);
> @@ -529,8 +501,6 @@ const struct fs_ops fs_fec_ops = {
> .set_multicast_list = set_multicast_list,
> .restart = restart,
> .stop = stop,
> - .pre_request_irq = pre_request_irq,
> - .post_free_irq = post_free_irq,
> .napi_clear_rx_event = napi_clear_rx_event,
> .napi_enable_rx = napi_enable_rx,
> .napi_disable_rx = napi_disable_rx,
> diff -puN drivers/net/fs_enet/mac-scc.c~fs-enet-remove-code-associated-with-config_ppc_merge drivers/net/fs_enet/mac-scc.c
> --- a/drivers/net/fs_enet/mac-scc.c~fs-enet-remove-code-associated-with-config_ppc_merge
> +++ a/drivers/net/fs_enet/mac-scc.c
> @@ -377,30 +377,6 @@ static void stop(struct net_device *dev)
> fs_cleanup_bds(dev);
> }
>
> -static void pre_request_irq(struct net_device *dev, int irq)
> -{
> -#ifndef CONFIG_PPC_MERGE
> - immap_t *immap = fs_enet_immap;
> - u32 siel;
> -
> - /* SIU interrupt */
> - if (irq >= SIU_IRQ0 && irq < SIU_LEVEL7) {
> -
> - siel = in_be32(&immap->im_siu_conf.sc_siel);
> - if ((irq & 1) == 0)
> - siel |= (0x80000000 >> irq);
> - else
> - siel &= ~(0x80000000 >> (irq & ~1));
> - out_be32(&immap->im_siu_conf.sc_siel, siel);
> - }
> -#endif
> -}
> -
> -static void post_free_irq(struct net_device *dev, int irq)
> -{
> - /* nothing */
> -}
> -
> static void napi_clear_rx_event(struct net_device *dev)
> {
> struct fs_enet_private *fep = netdev_priv(dev);
> @@ -494,8 +470,6 @@ const struct fs_ops fs_scc_ops = {
> .set_multicast_list = set_multicast_list,
> .restart = restart,
> .stop = stop,
> - .pre_request_irq = pre_request_irq,
> - .post_free_irq = post_free_irq,
> .napi_clear_rx_event = napi_clear_rx_event,
> .napi_enable_rx = napi_enable_rx,
applied
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