From: "Michael S. Tsirkin" <mst@redhat.com>
To: Isaku Yamahata <yamahata@valinux.co.jp>
Cc: qemu-devel@nongnu.org
Subject: [Qemu-devel] Re: [PATCH 04/20] pci: remove pci_addr_to_config() by open code
Date: Thu, 12 Nov 2009 13:01:36 +0200 [thread overview]
Message-ID: <20091112110136.GB4769@redhat.com> (raw)
In-Reply-To: <1258005528-25383-5-git-send-email-yamahata@valinux.co.jp>
On Thu, Nov 12, 2009 at 02:58:32PM +0900, Isaku Yamahata wrote:
> This patch removes pci_addr_to_config() and open code it
> as suggested by Michael S. Tsirkin <mst@redhat.com>.
>
> Signed-off-by: Isaku Yamahata <yamahata@valinux.co.jp>
Acked-by: Michael S. Tsirkin <mst@redhat.com>
> ---
> hw/pci_host.c | 9 ++-------
> 1 files changed, 2 insertions(+), 7 deletions(-)
>
> diff --git a/hw/pci_host.c b/hw/pci_host.c
> index 4196ebc..93c94e8 100644
> --- a/hw/pci_host.c
> +++ b/hw/pci_host.c
> @@ -47,15 +47,10 @@ static inline PCIDevice *pci_addr_to_dev(PCIBus *bus, uint32_t addr)
> return pci_find_device(bus, bus_num, PCI_SLOT(devfn), PCI_FUNC(devfn));
> }
>
> -static inline uint32_t pci_addr_to_config(uint32_t addr)
> -{
> - return addr & (PCI_CONFIG_SPACE_SIZE - 1);
> -}
> -
> void pci_data_write(PCIBus *s, uint32_t addr, uint32_t val, int len)
> {
> PCIDevice *pci_dev = pci_addr_to_dev(s, addr);
> - uint32_t config_addr = pci_addr_to_config(addr);
> + uint32_t config_addr = addr & (PCI_CONFIG_SPACE_SIZE - 1);
>
> if (!pci_dev)
> return;
> @@ -68,7 +63,7 @@ void pci_data_write(PCIBus *s, uint32_t addr, uint32_t val, int len)
> uint32_t pci_data_read(PCIBus *s, uint32_t addr, int len)
> {
> PCIDevice *pci_dev = pci_addr_to_dev(s, addr);
> - uint32_t config_addr = pci_addr_to_config(addr);
> + uint32_t config_addr = addr & (PCI_CONFIG_SPACE_SIZE - 1);
> uint32_t val;
>
> assert(len == 1 || len == 2 || len == 4);
> --
> 1.6.0.2
next prev parent reply other threads:[~2009-11-12 11:04 UTC|newest]
Thread overview: 51+ messages / expand[flat|nested] mbox.gz Atom feed top
2009-11-12 5:58 [Qemu-devel] [PATCH 00/20] PCI express clean up patches Isaku Yamahata
2009-11-12 5:58 ` [Qemu-devel] [PATCH 01/20] pci: fix pci_info_device() Isaku Yamahata
2009-11-12 10:17 ` [Qemu-devel] " Michael S. Tsirkin
2009-11-12 5:58 ` [Qemu-devel] [PATCH 02/20] pci: move pci_data_{read, write}() declaration from pci.h to pci_host.h Isaku Yamahata
2009-11-12 10:18 ` [Qemu-devel] " Michael S. Tsirkin
2009-11-12 12:44 ` Michael S. Tsirkin
2009-11-12 5:58 ` [Qemu-devel] [PATCH 03/20] pci: simplify pci_data_read(), pcie_mmcfg_data_read() Isaku Yamahata
2009-11-12 11:01 ` [Qemu-devel] " Michael S. Tsirkin
2009-11-12 11:15 ` Michael S. Tsirkin
2009-11-12 12:02 ` Michael S. Tsirkin
2009-11-12 12:14 ` Isaku Yamahata
2009-11-12 5:58 ` [Qemu-devel] [PATCH 04/20] pci: remove pci_addr_to_config() by open code Isaku Yamahata
2009-11-12 11:01 ` Michael S. Tsirkin [this message]
2009-11-12 5:58 ` [Qemu-devel] [PATCH 05/20] pci: rename pci_addr_to_dev(), pcie_mmcfg_addr_to_dev() Isaku Yamahata
2009-11-12 11:02 ` [Qemu-devel] " Michael S. Tsirkin
2009-11-12 5:58 ` [Qemu-devel] [PATCH 06/20] pci: shorten pci_host_{conf, data}_register_xxx function a bit Isaku Yamahata
2009-11-12 10:19 ` [Qemu-devel] " Michael S. Tsirkin
2009-11-12 5:58 ` [Qemu-devel] [PATCH 07/20] pci: remove pci_sub_bus() by open coding Isaku Yamahata
2009-11-12 10:45 ` [Qemu-devel] " Michael S. Tsirkin
2009-11-12 13:00 ` Isaku Yamahata
2009-11-12 5:58 ` [Qemu-devel] [PATCH 08/20] pci: s/pci_find_host_bus/pci_find_root_bus/g Isaku Yamahata
2009-11-12 10:45 ` [Qemu-devel] " Michael S. Tsirkin
2009-11-12 5:58 ` [Qemu-devel] [PATCH 09/20] pci_host: remove unnecessary & 0xff Isaku Yamahata
2009-11-12 10:32 ` [Qemu-devel] " Michael S. Tsirkin
2009-11-12 5:58 ` [Qemu-devel] [PATCH 10/20] pci: kill unnecessary included in pci.c Isaku Yamahata
2009-11-12 10:32 ` [Qemu-devel] " Michael S. Tsirkin
2009-11-12 5:58 ` [Qemu-devel] [PATCH 11/20] pci: clean up of pci_init_wmask() Isaku Yamahata
2009-11-12 10:18 ` [Qemu-devel] " Michael S. Tsirkin
2009-11-12 5:58 ` [Qemu-devel] [PATCH 12/20] pci: remove some unnecessary comment in pci.h Isaku Yamahata
2009-11-12 10:33 ` [Qemu-devel] " Michael S. Tsirkin
2009-11-12 5:58 ` [Qemu-devel] [PATCH 13/20] pci: move typedef, PCIHostState, PCIExpressHost to qemu-common.h Isaku Yamahata
2009-11-12 10:33 ` [Qemu-devel] " Michael S. Tsirkin
2009-11-12 5:58 ` [Qemu-devel] [PATCH 14/20] pci: remove unused constants Isaku Yamahata
2009-11-12 10:33 ` [Qemu-devel] " Michael S. Tsirkin
2009-11-12 5:58 ` [Qemu-devel] [PATCH 15/20] pci: clean up of pci_update_mappings() Isaku Yamahata
2009-11-12 10:34 ` [Qemu-devel] " Michael S. Tsirkin
2009-11-12 5:58 ` [Qemu-devel] [PATCH 16/20] pci: kill goto in pci_update_mappings() Isaku Yamahata
2009-11-12 12:06 ` [Qemu-devel] " Michael S. Tsirkin
2009-11-12 13:12 ` Isaku Yamahata
2009-11-12 13:13 ` Michael S. Tsirkin
2009-11-12 13:29 ` Michael S. Tsirkin
2009-11-12 5:58 ` [Qemu-devel] [PATCH 17/20] pci: remove magic number, 256 in pci.c Isaku Yamahata
2009-11-12 10:34 ` [Qemu-devel] " Michael S. Tsirkin
2009-11-12 5:58 ` [Qemu-devel] [PATCH 18/20] pci: fix pci_config_get_io_base() Isaku Yamahata
2009-11-12 10:36 ` [Qemu-devel] " Michael S. Tsirkin
2009-11-12 5:58 ` [Qemu-devel] [PATCH 19/20] pci: pci bridge related clean up Isaku Yamahata
2009-11-12 10:47 ` [Qemu-devel] " Michael S. Tsirkin
2009-11-12 5:58 ` [Qemu-devel] [PATCH 20/20] pci: remove goto in pci_bridge_filter() Isaku Yamahata
2009-11-12 12:08 ` [Qemu-devel] " Michael S. Tsirkin
2009-11-12 13:13 ` Isaku Yamahata
2009-11-12 12:58 ` [Qemu-devel] Re: [PATCH 00/20] PCI express clean up patches Michael S. Tsirkin
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