* [PATCH 2/2] drivers: pci: host: designware: remove PCI_PROBE_ONLY handling
2016-01-29 11:29 [PATCH 1/2] drivers: pci: host: rcar: remove PCI_PROBE_ONLY handling Lorenzo Pieralisi
@ 2016-01-29 11:29 ` Lorenzo Pieralisi
2016-01-29 12:13 ` Gabriele Paoloni
` (3 more replies)
2016-02-05 0:27 ` [PATCH 1/2] drivers: pci: host: rcar: " Bjorn Helgaas
2016-02-05 20:27 ` Bjorn Helgaas
2 siblings, 4 replies; 9+ messages in thread
From: Lorenzo Pieralisi @ 2016-01-29 11:29 UTC (permalink / raw)
To: linux-pci
Cc: Lorenzo Pieralisi, Pratyush Anand, Arnd Bergmann, Jingoo Han,
Bjorn Helgaas, Gabriele Paoloni, Zhou Wang
The PCIe designware host driver is not used in system configurations
requiring the PCI_PROBE_ONLY flag to be set to prevent resources
assignment, therefore the driver code handling the flag can be
removed from the kernel.
Signed-off-by: Lorenzo Pieralisi <lorenzo.pieralisi@arm.com>
Cc: Pratyush Anand <pratyush.anand@gmail.com>
Cc: Arnd Bergmann <arnd@arndb.de>
Cc: Jingoo Han <jingoohan1@gmail.com>
Cc: Bjorn Helgaas <bhelgaas@google.com>
Cc: Gabriele Paoloni <gabriele.paoloni@huawei.com>
Cc: Zhou Wang <wangzhou1@hisilicon.com>
---
drivers/pci/host/pcie-designware.c | 10 ++++------
1 file changed, 4 insertions(+), 6 deletions(-)
diff --git a/drivers/pci/host/pcie-designware.c b/drivers/pci/host/pcie-designware.c
index 2171682..a445083 100644
--- a/drivers/pci/host/pcie-designware.c
+++ b/drivers/pci/host/pcie-designware.c
@@ -551,13 +551,11 @@ int dw_pcie_host_init(struct pcie_port *pp)
pci_fixup_irqs(pci_common_swizzle, of_irq_parse_and_map_pci);
#endif
- if (!pci_has_flag(PCI_PROBE_ONLY)) {
- pci_bus_size_bridges(bus);
- pci_bus_assign_resources(bus);
+ pci_bus_size_bridges(bus);
+ pci_bus_assign_resources(bus);
- list_for_each_entry(child, &bus->children, node)
- pcie_bus_configure_settings(child);
- }
+ list_for_each_entry(child, &bus->children, node)
+ pcie_bus_configure_settings(child);
pci_bus_add_devices(bus);
return 0;
--
2.5.1
^ permalink raw reply related [flat|nested] 9+ messages in thread* RE: [PATCH 2/2] drivers: pci: host: designware: remove PCI_PROBE_ONLY handling
2016-01-29 11:29 ` [PATCH 2/2] drivers: pci: host: designware: " Lorenzo Pieralisi
@ 2016-01-29 12:13 ` Gabriele Paoloni
2016-01-29 16:16 ` Pratyush Anand
` (2 subsequent siblings)
3 siblings, 0 replies; 9+ messages in thread
From: Gabriele Paoloni @ 2016-01-29 12:13 UTC (permalink / raw)
To: Lorenzo Pieralisi, linux-pci@vger.kernel.org
Cc: Pratyush Anand, Arnd Bergmann, Jingoo Han, Bjorn Helgaas,
Wangzhou (B)
TG9va3MgZ29vZCB0byBtZQ0KDQpHYWINCg0KPiAtLS0tLU9yaWdpbmFsIE1lc3NhZ2UtLS0tLQ0K
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PiAtLQ0KPiAyLjUuMQ0KDQo=
^ permalink raw reply [flat|nested] 9+ messages in thread* Re: [PATCH 2/2] drivers: pci: host: designware: remove PCI_PROBE_ONLY handling
2016-01-29 11:29 ` [PATCH 2/2] drivers: pci: host: designware: " Lorenzo Pieralisi
2016-01-29 12:13 ` Gabriele Paoloni
@ 2016-01-29 16:16 ` Pratyush Anand
2016-01-31 12:34 ` Jingoo Han
2016-02-05 20:28 ` Bjorn Helgaas
3 siblings, 0 replies; 9+ messages in thread
From: Pratyush Anand @ 2016-01-29 16:16 UTC (permalink / raw)
To: Lorenzo Pieralisi
Cc: linux-pci@vger.kernel.org, Arnd Bergmann, Jingoo Han,
Bjorn Helgaas, Gabriele Paoloni, Zhou Wang
On Fri, Jan 29, 2016 at 4:59 PM, Lorenzo Pieralisi
<lorenzo.pieralisi@arm.com> wrote:
> The PCIe designware host driver is not used in system configurations
> requiring the PCI_PROBE_ONLY flag to be set to prevent resources
> assignment, therefore the driver code handling the flag can be
> removed from the kernel.
>
> Signed-off-by: Lorenzo Pieralisi <lorenzo.pieralisi@arm.com>
> Cc: Pratyush Anand <pratyush.anand@gmail.com>
> Cc: Arnd Bergmann <arnd@arndb.de>
> Cc: Jingoo Han <jingoohan1@gmail.com>
> Cc: Bjorn Helgaas <bhelgaas@google.com>
> Cc: Gabriele Paoloni <gabriele.paoloni@huawei.com>
> Cc: Zhou Wang <wangzhou1@hisilicon.com>
Acked-by: Pratyush Anand <pratyush.anand@gmail.com>
^ permalink raw reply [flat|nested] 9+ messages in thread
* Re: [PATCH 2/2] drivers: pci: host: designware: remove PCI_PROBE_ONLY handling
2016-01-29 11:29 ` [PATCH 2/2] drivers: pci: host: designware: " Lorenzo Pieralisi
2016-01-29 12:13 ` Gabriele Paoloni
2016-01-29 16:16 ` Pratyush Anand
@ 2016-01-31 12:34 ` Jingoo Han
2016-02-05 20:28 ` Bjorn Helgaas
3 siblings, 0 replies; 9+ messages in thread
From: Jingoo Han @ 2016-01-31 12:34 UTC (permalink / raw)
To: 'Lorenzo Pieralisi', linux-pci
Cc: 'Pratyush Anand', 'Arnd Bergmann',
'Bjorn Helgaas', 'Gabriele Paoloni',
'Zhou Wang', 'Jingoo Han'
On Friday, January 29, 2016 8:30 PM, Lorenzo Pieralisi wrote:
>
> The PCIe designware host driver is not used in system configurations
> requiring the PCI_PROBE_ONLY flag to be set to prevent resources
> assignment, therefore the driver code handling the flag can be
> removed from the kernel.
>
> Signed-off-by: Lorenzo Pieralisi <lorenzo.pieralisi@arm.com>
> Cc: Pratyush Anand <pratyush.anand@gmail.com>
> Cc: Arnd Bergmann <arnd@arndb.de>
> Cc: Jingoo Han <jingoohan1@gmail.com>
Acked-by: Jingoo Han Jingoo Han <jingoohan1@gmail.com>
Best regards,
Jingoo Han
> Cc: Bjorn Helgaas <bhelgaas@google.com>
> Cc: Gabriele Paoloni <gabriele.paoloni@huawei.com>
> Cc: Zhou Wang <wangzhou1@hisilicon.com>
> ---
> drivers/pci/host/pcie-designware.c | 10 ++++------
> 1 file changed, 4 insertions(+), 6 deletions(-)
>
> diff --git a/drivers/pci/host/pcie-designware.c b/drivers/pci/host/pcie-designware.c
> index 2171682..a445083 100644
> --- a/drivers/pci/host/pcie-designware.c
> +++ b/drivers/pci/host/pcie-designware.c
> @@ -551,13 +551,11 @@ int dw_pcie_host_init(struct pcie_port *pp)
> pci_fixup_irqs(pci_common_swizzle, of_irq_parse_and_map_pci);
> #endif
>
> - if (!pci_has_flag(PCI_PROBE_ONLY)) {
> - pci_bus_size_bridges(bus);
> - pci_bus_assign_resources(bus);
> + pci_bus_size_bridges(bus);
> + pci_bus_assign_resources(bus);
>
> - list_for_each_entry(child, &bus->children, node)
> - pcie_bus_configure_settings(child);
> - }
> + list_for_each_entry(child, &bus->children, node)
> + pcie_bus_configure_settings(child);
>
> pci_bus_add_devices(bus);
> return 0;
> --
> 2.5.1
^ permalink raw reply [flat|nested] 9+ messages in thread* Re: [PATCH 2/2] drivers: pci: host: designware: remove PCI_PROBE_ONLY handling
2016-01-29 11:29 ` [PATCH 2/2] drivers: pci: host: designware: " Lorenzo Pieralisi
` (2 preceding siblings ...)
2016-01-31 12:34 ` Jingoo Han
@ 2016-02-05 20:28 ` Bjorn Helgaas
3 siblings, 0 replies; 9+ messages in thread
From: Bjorn Helgaas @ 2016-02-05 20:28 UTC (permalink / raw)
To: Lorenzo Pieralisi
Cc: linux-pci, Pratyush Anand, Arnd Bergmann, Jingoo Han,
Bjorn Helgaas, Gabriele Paoloni, Zhou Wang
On Fri, Jan 29, 2016 at 11:29:32AM +0000, Lorenzo Pieralisi wrote:
> The PCIe designware host driver is not used in system configurations
> requiring the PCI_PROBE_ONLY flag to be set to prevent resources
> assignment, therefore the driver code handling the flag can be
> removed from the kernel.
>
> Signed-off-by: Lorenzo Pieralisi <lorenzo.pieralisi@arm.com>
> Cc: Pratyush Anand <pratyush.anand@gmail.com>
> Cc: Arnd Bergmann <arnd@arndb.de>
> Cc: Jingoo Han <jingoohan1@gmail.com>
> Cc: Bjorn Helgaas <bhelgaas@google.com>
> Cc: Gabriele Paoloni <gabriele.paoloni@huawei.com>
> Cc: Zhou Wang <wangzhou1@hisilicon.com>
Applied to pci/host-designware for v4.6 with acks from Pratyush and
Jingoo, thanks everybody!
> ---
> drivers/pci/host/pcie-designware.c | 10 ++++------
> 1 file changed, 4 insertions(+), 6 deletions(-)
>
> diff --git a/drivers/pci/host/pcie-designware.c b/drivers/pci/host/pcie-designware.c
> index 2171682..a445083 100644
> --- a/drivers/pci/host/pcie-designware.c
> +++ b/drivers/pci/host/pcie-designware.c
> @@ -551,13 +551,11 @@ int dw_pcie_host_init(struct pcie_port *pp)
> pci_fixup_irqs(pci_common_swizzle, of_irq_parse_and_map_pci);
> #endif
>
> - if (!pci_has_flag(PCI_PROBE_ONLY)) {
> - pci_bus_size_bridges(bus);
> - pci_bus_assign_resources(bus);
> + pci_bus_size_bridges(bus);
> + pci_bus_assign_resources(bus);
>
> - list_for_each_entry(child, &bus->children, node)
> - pcie_bus_configure_settings(child);
> - }
> + list_for_each_entry(child, &bus->children, node)
> + pcie_bus_configure_settings(child);
>
> pci_bus_add_devices(bus);
> return 0;
> --
> 2.5.1
>
> --
> To unsubscribe from this list: send the line "unsubscribe linux-pci" in
> the body of a message to majordomo@vger.kernel.org
> More majordomo info at http://vger.kernel.org/majordomo-info.html
^ permalink raw reply [flat|nested] 9+ messages in thread
* Re: [PATCH 1/2] drivers: pci: host: rcar: remove PCI_PROBE_ONLY handling
2016-01-29 11:29 [PATCH 1/2] drivers: pci: host: rcar: remove PCI_PROBE_ONLY handling Lorenzo Pieralisi
2016-01-29 11:29 ` [PATCH 2/2] drivers: pci: host: designware: " Lorenzo Pieralisi
@ 2016-02-05 0:27 ` Bjorn Helgaas
2016-02-05 9:35 ` Simon Horman
2016-02-05 20:27 ` Bjorn Helgaas
2 siblings, 1 reply; 9+ messages in thread
From: Bjorn Helgaas @ 2016-02-05 0:27 UTC (permalink / raw)
To: Lorenzo Pieralisi
Cc: linux-pci, Arnd Bergmann, Phil Edworthy, Bjorn Helgaas,
Simon Horman, linux-renesas-soc
[+cc Simon, R-car maintainer, linux-renesas-soc]
I badly want to merge this, so speak up now if you object :)
On Fri, Jan 29, 2016 at 11:29:31AM +0000, Lorenzo Pieralisi wrote:
> The PCIe rcar host driver is not used in system configurations
> requiring the PCI_PROBE_ONLY flag to be set to prevent resources
> assignment, therefore the driver code handling the flag can be
> removed from the kernel.
>
> Signed-off-by: Lorenzo Pieralisi <lorenzo.pieralisi@arm.com>
> Cc: Arnd Bergmann <arnd@arndb.de>
> Cc: Phil Edworthy <phil.edworthy@renesas.com>
> Cc: Bjorn Helgaas <bhelgaas@google.com>
> ---
> drivers/pci/host/pcie-rcar.c | 14 +++++---------
> 1 file changed, 5 insertions(+), 9 deletions(-)
>
> diff --git a/drivers/pci/host/pcie-rcar.c b/drivers/pci/host/pcie-rcar.c
> index 4edb518..3509218 100644
> --- a/drivers/pci/host/pcie-rcar.c
> +++ b/drivers/pci/host/pcie-rcar.c
> @@ -390,9 +390,7 @@ static int rcar_pcie_enable(struct rcar_pcie *pcie)
>
> rcar_pcie_setup(&res, pcie);
>
> - /* Do not reassign resources if probe only */
> - if (!pci_has_flag(PCI_PROBE_ONLY))
> - pci_add_flags(PCI_REASSIGN_ALL_RSRC | PCI_REASSIGN_ALL_BUS);
> + pci_add_flags(PCI_REASSIGN_ALL_RSRC | PCI_REASSIGN_ALL_BUS);
>
> if (IS_ENABLED(CONFIG_PCI_MSI))
> bus = pci_scan_root_bus_msi(pcie->dev, pcie->root_bus_nr,
> @@ -408,13 +406,11 @@ static int rcar_pcie_enable(struct rcar_pcie *pcie)
>
> pci_fixup_irqs(pci_common_swizzle, of_irq_parse_and_map_pci);
>
> - if (!pci_has_flag(PCI_PROBE_ONLY)) {
> - pci_bus_size_bridges(bus);
> - pci_bus_assign_resources(bus);
> + pci_bus_size_bridges(bus);
> + pci_bus_assign_resources(bus);
>
> - list_for_each_entry(child, &bus->children, node)
> - pcie_bus_configure_settings(child);
> - }
> + list_for_each_entry(child, &bus->children, node)
> + pcie_bus_configure_settings(child);
>
> pci_bus_add_devices(bus);
>
> --
> 2.5.1
>
> --
> To unsubscribe from this list: send the line "unsubscribe linux-pci" in
> the body of a message to majordomo@vger.kernel.org
> More majordomo info at http://vger.kernel.org/majordomo-info.html
^ permalink raw reply [flat|nested] 9+ messages in thread* Re: [PATCH 1/2] drivers: pci: host: rcar: remove PCI_PROBE_ONLY handling
2016-02-05 0:27 ` [PATCH 1/2] drivers: pci: host: rcar: " Bjorn Helgaas
@ 2016-02-05 9:35 ` Simon Horman
0 siblings, 0 replies; 9+ messages in thread
From: Simon Horman @ 2016-02-05 9:35 UTC (permalink / raw)
To: Bjorn Helgaas
Cc: Lorenzo Pieralisi, linux-pci, Arnd Bergmann, Phil Edworthy,
Bjorn Helgaas, linux-renesas-soc
On Thu, Feb 04, 2016 at 06:27:03PM -0600, Bjorn Helgaas wrote:
> [+cc Simon, R-car maintainer, linux-renesas-soc]
>
> I badly want to merge this, so speak up now if you object :)
I have no objections.
Acked-by: Simon Horman <horms+renesas@verge.net.au>
^ permalink raw reply [flat|nested] 9+ messages in thread
* Re: [PATCH 1/2] drivers: pci: host: rcar: remove PCI_PROBE_ONLY handling
2016-01-29 11:29 [PATCH 1/2] drivers: pci: host: rcar: remove PCI_PROBE_ONLY handling Lorenzo Pieralisi
2016-01-29 11:29 ` [PATCH 2/2] drivers: pci: host: designware: " Lorenzo Pieralisi
2016-02-05 0:27 ` [PATCH 1/2] drivers: pci: host: rcar: " Bjorn Helgaas
@ 2016-02-05 20:27 ` Bjorn Helgaas
2 siblings, 0 replies; 9+ messages in thread
From: Bjorn Helgaas @ 2016-02-05 20:27 UTC (permalink / raw)
To: Lorenzo Pieralisi
Cc: linux-pci, Arnd Bergmann, Phil Edworthy, Bjorn Helgaas,
Simon Horman, linux-renesas-soc
[+cc Simon, linux-renesas-soc]
On Fri, Jan 29, 2016 at 11:29:31AM +0000, Lorenzo Pieralisi wrote:
> The PCIe rcar host driver is not used in system configurations
> requiring the PCI_PROBE_ONLY flag to be set to prevent resources
> assignment, therefore the driver code handling the flag can be
> removed from the kernel.
>
> Signed-off-by: Lorenzo Pieralisi <lorenzo.pieralisi@arm.com>
> Cc: Arnd Bergmann <arnd@arndb.de>
> Cc: Phil Edworthy <phil.edworthy@renesas.com>
> Cc: Bjorn Helgaas <bhelgaas@google.com>
Applied with Simon's ack to pci/host-rcar for v4.6, thanks, Lorenzo!
> ---
> drivers/pci/host/pcie-rcar.c | 14 +++++---------
> 1 file changed, 5 insertions(+), 9 deletions(-)
>
> diff --git a/drivers/pci/host/pcie-rcar.c b/drivers/pci/host/pcie-rcar.c
> index 4edb518..3509218 100644
> --- a/drivers/pci/host/pcie-rcar.c
> +++ b/drivers/pci/host/pcie-rcar.c
> @@ -390,9 +390,7 @@ static int rcar_pcie_enable(struct rcar_pcie *pcie)
>
> rcar_pcie_setup(&res, pcie);
>
> - /* Do not reassign resources if probe only */
> - if (!pci_has_flag(PCI_PROBE_ONLY))
> - pci_add_flags(PCI_REASSIGN_ALL_RSRC | PCI_REASSIGN_ALL_BUS);
> + pci_add_flags(PCI_REASSIGN_ALL_RSRC | PCI_REASSIGN_ALL_BUS);
>
> if (IS_ENABLED(CONFIG_PCI_MSI))
> bus = pci_scan_root_bus_msi(pcie->dev, pcie->root_bus_nr,
> @@ -408,13 +406,11 @@ static int rcar_pcie_enable(struct rcar_pcie *pcie)
>
> pci_fixup_irqs(pci_common_swizzle, of_irq_parse_and_map_pci);
>
> - if (!pci_has_flag(PCI_PROBE_ONLY)) {
> - pci_bus_size_bridges(bus);
> - pci_bus_assign_resources(bus);
> + pci_bus_size_bridges(bus);
> + pci_bus_assign_resources(bus);
>
> - list_for_each_entry(child, &bus->children, node)
> - pcie_bus_configure_settings(child);
> - }
> + list_for_each_entry(child, &bus->children, node)
> + pcie_bus_configure_settings(child);
>
> pci_bus_add_devices(bus);
>
> --
> 2.5.1
>
> --
> To unsubscribe from this list: send the line "unsubscribe linux-pci" in
> the body of a message to majordomo@vger.kernel.org
> More majordomo info at http://vger.kernel.org/majordomo-info.html
^ permalink raw reply [flat|nested] 9+ messages in thread