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Message-Id: <57701b3fe8a92a516448455ce6b6e17d2de12847.1531822532.git.gustavo.pimentel@synopsys.com>
Date: Tue, 17 Jul 2018 12:26:18 +0200
From: Gustavo Pimentel <gustavo.pimentel@...opsys.com>
To: bhelgaas@...gle.com, lorenzo.pieralisi@....com,
joao.pinto@...opsys.com, jingoohan1@...il.com, kishon@...com,
adouglas@...ence.com, jesper.nilsson@...s.com,
shawn.lin@...k-chips.com
Cc: linux-pci@...r.kernel.org, linux-doc@...r.kernel.org,
linux-kernel@...r.kernel.org,
Gustavo Pimentel <gustavo.pimentel@...opsys.com>
Subject: [PATCH v13 03/12] PCI: Update xxx_pcie_ep_raise_irq() and pci_epc_raise_irq() signatures
Change {cdns, dra7xx, artpec6, dw, rockchip}_pcie_ep_raise_irq() and
pci_epc_raise_irq() signature, namely the interrupt_num variable type
from u8 to u16 to accommodate 2048 maximum MSI-X interrupts.
Signed-off-by: Gustavo Pimentel <gustavo.pimentel@...opsys.com>
Acked-by: Alan Douglas <adouglas@...ence.com>
Acked-by: Shawn Lin <shawn.lin@...k-chips.com>
Acked-by: Jesper Nilsson <jesper.nilsson@...s.com>
Acked-by: Joao Pinto <jpinto@...opsys.com>
Acked-by: Kishon Vijay Abraham I <kishon@...com>
---
Change v1->v2:
- Nothing changed, just to follow the patch set version.
Change v2->v3:
- Move into here the pci_epc_raise_irq() signature change from patch
file #1.
- Move into here the {dra7xx, artpec6}_pcie_ep_raise_irq() signature
changes from patch file #2.
Change v3->v4:
- Rebased to Lorenzo's master branch v4.18-rc1.
Change v4->v5:
- Swap patch files position (#3 -> #2).
- Moved dw_pcie_ep_raise_irq and dw_plat_pcie_ep_raise_irq functions
signatures changes from patch file #3.
- Changed rockchip_pcie_ep_raise_irq function signature.
Change v5->v6:
- Nothing changed, just to follow the patch set version.
Change v6->v7:
- Nothing changed, just to follow the patch set version.
Change v7->v8:
- Re-sending the patch series.
Change v8->v9:
- Nothing changed, just to follow the patch set version.
Change v9->v10:
- Nothing changed, just to follow the patch set version.
Change v10->v11:
- Nothing changed, just to follow the patch set version.
Change v11->v12:
- Nothing changed, just to follow the patch set version.
Change v12->v13:
- Re-sending the patch series.
drivers/pci/controller/dwc/pci-dra7xx.c | 2 +-
drivers/pci/controller/dwc/pcie-artpec6.c | 2 +-
drivers/pci/controller/dwc/pcie-designware-ep.c | 2 +-
drivers/pci/controller/dwc/pcie-designware-plat.c | 2 +-
drivers/pci/controller/dwc/pcie-designware.h | 2 +-
drivers/pci/controller/pcie-cadence-ep.c | 3 ++-
drivers/pci/controller/pcie-rockchip-ep.c | 2 +-
drivers/pci/endpoint/pci-epc-core.c | 8 ++++----
include/linux/pci-epc.h | 6 +++---
9 files changed, 15 insertions(+), 14 deletions(-)
diff --git a/drivers/pci/controller/dwc/pci-dra7xx.c b/drivers/pci/controller/dwc/pci-dra7xx.c
index 345aab5..ce9224a 100644
--- a/drivers/pci/controller/dwc/pci-dra7xx.c
+++ b/drivers/pci/controller/dwc/pci-dra7xx.c
@@ -370,7 +370,7 @@ static void dra7xx_pcie_raise_msi_irq(struct dra7xx_pcie *dra7xx,
}
static int dra7xx_pcie_raise_irq(struct dw_pcie_ep *ep, u8 func_no,
- enum pci_epc_irq_type type, u8 interrupt_num)
+ enum pci_epc_irq_type type, u16 interrupt_num)
{
struct dw_pcie *pci = to_dw_pcie_from_ep(ep);
struct dra7xx_pcie *dra7xx = to_dra7xx_pcie(pci);
diff --git a/drivers/pci/controller/dwc/pcie-artpec6.c b/drivers/pci/controller/dwc/pcie-artpec6.c
index 321b56c..9a2474b 100644
--- a/drivers/pci/controller/dwc/pcie-artpec6.c
+++ b/drivers/pci/controller/dwc/pcie-artpec6.c
@@ -428,7 +428,7 @@ static void artpec6_pcie_ep_init(struct dw_pcie_ep *ep)
}
static int artpec6_pcie_raise_irq(struct dw_pcie_ep *ep, u8 func_no,
- enum pci_epc_irq_type type, u8 interrupt_num)
+ enum pci_epc_irq_type type, u16 interrupt_num)
{
struct dw_pcie *pci = to_dw_pcie_from_ep(ep);
diff --git a/drivers/pci/controller/dwc/pcie-designware-ep.c b/drivers/pci/controller/dwc/pcie-designware-ep.c
index 04092a7..69d039d 100644
--- a/drivers/pci/controller/dwc/pcie-designware-ep.c
+++ b/drivers/pci/controller/dwc/pcie-designware-ep.c
@@ -242,7 +242,7 @@ static int dw_pcie_ep_set_msi(struct pci_epc *epc, u8 func_no, u8 encode_int)
}
static int dw_pcie_ep_raise_irq(struct pci_epc *epc, u8 func_no,
- enum pci_epc_irq_type type, u8 interrupt_num)
+ enum pci_epc_irq_type type, u16 interrupt_num)
{
struct dw_pcie_ep *ep = epc_get_drvdata(epc);
diff --git a/drivers/pci/controller/dwc/pcie-designware-plat.c b/drivers/pci/controller/dwc/pcie-designware-plat.c
index 0ce3440..0efb318 100644
--- a/drivers/pci/controller/dwc/pcie-designware-plat.c
+++ b/drivers/pci/controller/dwc/pcie-designware-plat.c
@@ -81,7 +81,7 @@ static void dw_plat_pcie_ep_init(struct dw_pcie_ep *ep)
static int dw_plat_pcie_ep_raise_irq(struct dw_pcie_ep *ep, u8 func_no,
enum pci_epc_irq_type type,
- u8 interrupt_num)
+ u16 interrupt_num)
{
struct dw_pcie *pci = to_dw_pcie_from_ep(ep);
diff --git a/drivers/pci/controller/dwc/pcie-designware.h b/drivers/pci/controller/dwc/pcie-designware.h
index bee4e25..9d581c0 100644
--- a/drivers/pci/controller/dwc/pcie-designware.h
+++ b/drivers/pci/controller/dwc/pcie-designware.h
@@ -191,7 +191,7 @@ enum dw_pcie_as_type {
struct dw_pcie_ep_ops {
void (*ep_init)(struct dw_pcie_ep *ep);
int (*raise_irq)(struct dw_pcie_ep *ep, u8 func_no,
- enum pci_epc_irq_type type, u8 interrupt_num);
+ enum pci_epc_irq_type type, u16 interrupt_num);
};
struct dw_pcie_ep {
diff --git a/drivers/pci/controller/pcie-cadence-ep.c b/drivers/pci/controller/pcie-cadence-ep.c
index e3fe412..208d11f 100644
--- a/drivers/pci/controller/pcie-cadence-ep.c
+++ b/drivers/pci/controller/pcie-cadence-ep.c
@@ -363,7 +363,8 @@ static int cdns_pcie_ep_send_msi_irq(struct cdns_pcie_ep *ep, u8 fn,
}
static int cdns_pcie_ep_raise_irq(struct pci_epc *epc, u8 fn,
- enum pci_epc_irq_type type, u8 interrupt_num)
+ enum pci_epc_irq_type type,
+ u16 interrupt_num)
{
struct cdns_pcie_ep *ep = epc_get_drvdata(epc);
diff --git a/drivers/pci/controller/pcie-rockchip-ep.c b/drivers/pci/controller/pcie-rockchip-ep.c
index 6beba8e..b8163c5 100644
--- a/drivers/pci/controller/pcie-rockchip-ep.c
+++ b/drivers/pci/controller/pcie-rockchip-ep.c
@@ -472,7 +472,7 @@ static int rockchip_pcie_ep_send_msi_irq(struct rockchip_pcie_ep *ep, u8 fn,
static int rockchip_pcie_ep_raise_irq(struct pci_epc *epc, u8 fn,
enum pci_epc_irq_type type,
- u8 interrupt_num)
+ u16 interrupt_num)
{
struct rockchip_pcie_ep *ep = epc_get_drvdata(epc);
diff --git a/drivers/pci/endpoint/pci-epc-core.c b/drivers/pci/endpoint/pci-epc-core.c
index 7d77bd0..c72e656 100644
--- a/drivers/pci/endpoint/pci-epc-core.c
+++ b/drivers/pci/endpoint/pci-epc-core.c
@@ -131,13 +131,13 @@ EXPORT_SYMBOL_GPL(pci_epc_start);
* pci_epc_raise_irq() - interrupt the host system
* @epc: the EPC device which has to interrupt the host
* @func_no: the endpoint function number in the EPC device
- * @type: specify the type of interrupt; legacy or MSI
- * @interrupt_num: the MSI interrupt number
+ * @type: specify the type of interrupt; legacy, MSI or MSI-X
+ * @interrupt_num: the MSI or MSI-X interrupt number
*
- * Invoke to raise an MSI or legacy interrupt
+ * Invoke to raise an legacy, MSI or MSI-X interrupt
*/
int pci_epc_raise_irq(struct pci_epc *epc, u8 func_no,
- enum pci_epc_irq_type type, u8 interrupt_num)
+ enum pci_epc_irq_type type, u16 interrupt_num)
{
int ret;
unsigned long flags;
diff --git a/include/linux/pci-epc.h b/include/linux/pci-epc.h
index 89f079f..bb2395b 100644
--- a/include/linux/pci-epc.h
+++ b/include/linux/pci-epc.h
@@ -35,7 +35,7 @@ enum pci_epc_irq_type {
* MSI-X capability register
* @get_msix: ops to get the number of MSI-X interrupts allocated by the RC
* from the MSI-X capability register
- * @raise_irq: ops to raise a legacy or MSI interrupt
+ * @raise_irq: ops to raise a legacy, MSI or MSI-X interrupt
* @start: ops to start the PCI link
* @stop: ops to stop the PCI link
* @owner: the module owner containing the ops
@@ -56,7 +56,7 @@ struct pci_epc_ops {
int (*set_msix)(struct pci_epc *epc, u8 func_no, u16 interrupts);
int (*get_msix)(struct pci_epc *epc, u8 func_no);
int (*raise_irq)(struct pci_epc *epc, u8 func_no,
- enum pci_epc_irq_type type, u8 interrupt_num);
+ enum pci_epc_irq_type type, u16 interrupt_num);
int (*start)(struct pci_epc *epc);
void (*stop)(struct pci_epc *epc);
struct module *owner;
@@ -154,7 +154,7 @@ int pci_epc_get_msi(struct pci_epc *epc, u8 func_no);
int pci_epc_set_msix(struct pci_epc *epc, u8 func_no, u16 interrupts);
int pci_epc_get_msix(struct pci_epc *epc, u8 func_no);
int pci_epc_raise_irq(struct pci_epc *epc, u8 func_no,
- enum pci_epc_irq_type type, u8 interrupt_num);
+ enum pci_epc_irq_type type, u16 interrupt_num);
int pci_epc_start(struct pci_epc *epc);
void pci_epc_stop(struct pci_epc *epc);
struct pci_epc *pci_epc_get(const char *epc_name);
--
2.7.4
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