[PATCH net-next 01/13] nfp: add nfp_cppcore_pcie_unit() helper
From: Jakub Kicinski <hidden>
Date: 2017-05-19 22:02:22
Subsystem:
netronome ethernet drivers, networking drivers, the rest · Maintainers:
Andrew Lunn, "David S. Miller", Eric Dumazet, Jakub Kicinski, Paolo Abeni, Linus Torvalds
From: Simon Horman <redacted> Add nfp_cppcore_pcie_unit() helper to retrieve the PCIE unit of a CPP handle and use the new helper as appropriate. Signed-off-by: Simon Horman <redacted> Reviewed-by: Jakub Kicinski <redacted> --- drivers/net/ethernet/netronome/nfp/nfp_net_main.c | 16 ++++------------ drivers/net/ethernet/netronome/nfp/nfpcore/nfp_cpp.h | 11 +++++++++++ 2 files changed, 15 insertions(+), 12 deletions(-)
diff --git a/drivers/net/ethernet/netronome/nfp/nfp_net_main.c b/drivers/net/ethernet/netronome/nfp/nfp_net_main.c
index 8cb87cbe1120..16115973112c 100644
--- a/drivers/net/ethernet/netronome/nfp/nfp_net_main.c
+++ b/drivers/net/ethernet/netronome/nfp/nfp_net_main.c@@ -190,15 +190,11 @@ nfp_net_find_port(struct nfp_eth_table *eth_tbl, unsigned int id) static unsigned int nfp_net_pf_get_num_ports(struct nfp_pf *pf) { char name[256]; - u16 interface; - int pcie_pf; int err = 0; u64 val; - interface = nfp_cpp_interface(pf->cpp); - pcie_pf = NFP_CPP_INTERFACE_UNIT_of(interface); - - snprintf(name, sizeof(name), "nfd_cfg_pf%d_num_ports", pcie_pf); + snprintf(name, sizeof(name), "nfd_cfg_pf%u_num_ports", + nfp_cppcore_pcie_unit(pf->cpp)); val = nfp_rtsym_read_le(pf->cpp, name, &err); /* Default to one port */
@@ -241,13 +237,9 @@ static u8 __iomem *nfp_net_pf_map_ctrl_bar(struct nfp_pf *pf) const struct nfp_rtsym *ctrl_sym; u8 __iomem *ctrl_bar; char pf_symbol[256]; - u16 interface; - int pcie_pf; - - interface = nfp_cpp_interface(pf->cpp); - pcie_pf = NFP_CPP_INTERFACE_UNIT_of(interface); - snprintf(pf_symbol, sizeof(pf_symbol), "_pf%d_net_bar0", pcie_pf); + snprintf(pf_symbol, sizeof(pf_symbol), "_pf%u_net_bar0", + nfp_cppcore_pcie_unit(pf->cpp)); ctrl_sym = nfp_rtsym_lookup(pf->cpp, pf_symbol); if (!ctrl_sym) {
diff --git a/drivers/net/ethernet/netronome/nfp/nfpcore/nfp_cpp.h b/drivers/net/ethernet/netronome/nfp/nfpcore/nfp_cpp.h
index edecc0a27485..154b0b594184 100644
--- a/drivers/net/ethernet/netronome/nfp/nfpcore/nfp_cpp.h
+++ b/drivers/net/ethernet/netronome/nfp/nfpcore/nfp_cpp.h@@ -289,6 +289,17 @@ int nfp_cpp_mutex_lock(struct nfp_cpp_mutex *mutex); int nfp_cpp_mutex_unlock(struct nfp_cpp_mutex *mutex); int nfp_cpp_mutex_trylock(struct nfp_cpp_mutex *mutex); +/** + * nfp_cppcore_pcie_unit() - Get PCI Unit of a CPP handle + * @cpp: CPP handle + * + * Return: PCI unit for the NFP CPP handle + */ +static inline u8 nfp_cppcore_pcie_unit(struct nfp_cpp *cpp) +{ + return NFP_CPP_INTERFACE_UNIT_of(nfp_cpp_interface(cpp)); +} + struct nfp_cpp_explicit; struct nfp_cpp_explicit_command {
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2.11.0