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charset="iso-8859-1" Content-Transfer-Encoding: quoted-printable MIME-Version: 1.0 X-MS-Exchange-CrossTenant-Network-Message-Id: cad8a9fa-0e9d-4960-9223-08d74dbff9dd X-MS-Exchange-CrossTenant-originalarrivaltime: 10 Oct 2019 20:25:22.6312 (UTC) X-MS-Exchange-CrossTenant-fromentityheader: Hosted X-MS-Exchange-CrossTenant-id: 70e1fb47-1155-421d-87fc-2e58f638b6e0 X-MS-Exchange-CrossTenant-mailboxtype: HOSTED X-MS-Exchange-CrossTenant-userprincipalname: hllZnEMuLvDy8RbggeKLJBVOwTei8PcxV3c1ypaxqs0HUoBNWBF4hFC5MMXMd8m1cuOTaoLYyPloMovlVPtyhg== X-MS-Exchange-Transport-CrossTenantHeadersStamped: MN2PR18MB2447 X-OriginatorOrg: marvell.com X-Proofpoint-Virus-Version: vendor=fsecure engine=2.50.10434:6.0.95,1.0.8 definitions=2019-10-10_07:2019-10-10,2019-10-10 signatures=0 Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Reorder the new created functions edac_mc_alloc_csrows() and edac_mc_alloc_dimms() and move them before edac_mc_alloc(). No further code changes. Signed-off-by: Robert Richter --- drivers/edac/edac_mc.c | 171 ++++++++++++++++++++--------------------- 1 file changed, 84 insertions(+), 87 deletions(-) diff --git a/drivers/edac/edac_mc.c b/drivers/edac/edac_mc.c index 0db504cb3419..6d880cf4d599 100644 --- a/drivers/edac/edac_mc.c +++ b/drivers/edac/edac_mc.c @@ -305,93 +305,6 @@ static void _edac_mc_free(struct mem_ctl_info *mci) kfree(mci); } =20 -static int edac_mc_alloc_csrows(struct mem_ctl_info *mci); -static int edac_mc_alloc_dimms(struct mem_ctl_info *mci); - -struct mem_ctl_info *edac_mc_alloc(unsigned int mc_num, - unsigned int n_layers, - struct edac_mc_layer *layers, - unsigned int sz_pvt) -{ - struct mem_ctl_info *mci; - struct edac_mc_layer *layer; - unsigned int idx, size, tot_dimms =3D 1; - unsigned int tot_csrows =3D 1, tot_channels =3D 1; - void *pvt, *ptr =3D NULL; - bool per_rank =3D false; - - if (WARN_ON(n_layers > EDAC_MAX_LAYERS || n_layers =3D=3D 0)) - return NULL; - - /* - * Calculate the total amount of dimms and csrows/cschannels while - * in the old API emulation mode - */ - for (idx =3D 0; idx < n_layers; idx++) { - tot_dimms *=3D layers[idx].size; - if (layers[idx].is_virt_csrow) - tot_csrows *=3D layers[idx].size; - else - tot_channels *=3D layers[idx].size; - - if (layers[idx].type =3D=3D EDAC_MC_LAYER_CHIP_SELECT) - per_rank =3D true; - } - - /* Figure out the offsets of the various items from the start of an mc - * structure. We want the alignment of each item to be at least as - * stringent as what the compiler would provide if we could simply - * hardcode everything into a single struct. - */ - mci =3D edac_align_ptr(&ptr, sizeof(*mci), 1); - layer =3D edac_align_ptr(&ptr, sizeof(*layer), n_layers); - pvt =3D edac_align_ptr(&ptr, sz_pvt, 1); - size =3D ((unsigned long)pvt) + sz_pvt; - - edac_dbg(1, "allocating %u bytes for mci data (%d %s, %d csrows/channels)= \n", - size, - tot_dimms, - per_rank ? "ranks" : "dimms", - tot_csrows * tot_channels); - - mci =3D kzalloc(size, GFP_KERNEL); - if (mci =3D=3D NULL) - return NULL; - - /* Adjust pointers so they point within the memory we just allocated - * rather than an imaginary chunk of memory located at address 0. - */ - layer =3D (struct edac_mc_layer *)(((char *)mci) + ((unsigned long)layer)= ); - pvt =3D sz_pvt ? (((char *)mci) + ((unsigned long)pvt)) : NULL; - - /* setup index and various internal pointers */ - mci->mc_idx =3D mc_num; - mci->tot_dimms =3D tot_dimms; - mci->pvt_info =3D pvt; - mci->n_layers =3D n_layers; - mci->layers =3D layer; - memcpy(mci->layers, layers, sizeof(*layer) * n_layers); - mci->nr_csrows =3D tot_csrows; - mci->num_cschannel =3D tot_channels; - mci->csbased =3D per_rank; - - if (edac_mc_alloc_csrows(mci)) - goto error; - - if (edac_mc_alloc_dimms(mci)) - goto error; - - mci->op_state =3D OP_ALLOC; - - return mci; - -error: - _edac_mc_free(mci); - - return NULL; -} -EXPORT_SYMBOL_GPL(edac_mc_alloc); - static int edac_mc_alloc_csrows(struct mem_ctl_info *mci) { unsigned int tot_csrows =3D mci->nr_csrows; @@ -520,6 +433,90 @@ static int edac_mc_alloc_dimms(struct mem_ctl_info *mc= i) return 0; } =20 +struct mem_ctl_info *edac_mc_alloc(unsigned int mc_num, + unsigned int n_layers, + struct edac_mc_layer *layers, + unsigned int sz_pvt) +{ + struct mem_ctl_info *mci; + struct edac_mc_layer *layer; + unsigned int idx, size, tot_dimms =3D 1; + unsigned int tot_csrows =3D 1, tot_channels =3D 1; + void *pvt, *ptr =3D NULL; + bool per_rank =3D false; + + if (WARN_ON(n_layers > EDAC_MAX_LAYERS || n_layers =3D=3D 0)) + return NULL; + + /* + * Calculate the total amount of dimms and csrows/cschannels while + * in the old API emulation mode + */ + for (idx =3D 0; idx < n_layers; idx++) { + tot_dimms *=3D layers[idx].size; + if (layers[idx].is_virt_csrow) + tot_csrows *=3D layers[idx].size; + else + tot_channels *=3D layers[idx].size; + + if (layers[idx].type =3D=3D EDAC_MC_LAYER_CHIP_SELECT) + per_rank =3D true; + } + + /* Figure out the offsets of the various items from the start of an mc + * structure. We want the alignment of each item to be at least as + * stringent as what the compiler would provide if we could simply + * hardcode everything into a single struct. + */ + mci =3D edac_align_ptr(&ptr, sizeof(*mci), 1); + layer =3D edac_align_ptr(&ptr, sizeof(*layer), n_layers); + pvt =3D edac_align_ptr(&ptr, sz_pvt, 1); + size =3D ((unsigned long)pvt) + sz_pvt; + + edac_dbg(1, "allocating %u bytes for mci data (%d %s, %d csrows/channels)= \n", + size, + tot_dimms, + per_rank ? "ranks" : "dimms", + tot_csrows * tot_channels); + + mci =3D kzalloc(size, GFP_KERNEL); + if (mci =3D=3D NULL) + return NULL; + + /* Adjust pointers so they point within the memory we just allocated + * rather than an imaginary chunk of memory located at address 0. + */ + layer =3D (struct edac_mc_layer *)(((char *)mci) + ((unsigned long)layer)= ); + pvt =3D sz_pvt ? (((char *)mci) + ((unsigned long)pvt)) : NULL; + + /* setup index and various internal pointers */ + mci->mc_idx =3D mc_num; + mci->tot_dimms =3D tot_dimms; + mci->pvt_info =3D pvt; + mci->n_layers =3D n_layers; + mci->layers =3D layer; + memcpy(mci->layers, layers, sizeof(*layer) * n_layers); + mci->nr_csrows =3D tot_csrows; + mci->num_cschannel =3D tot_channels; + mci->csbased =3D per_rank; + + if (edac_mc_alloc_csrows(mci)) + goto error; + + if (edac_mc_alloc_dimms(mci)) + goto error; + + mci->op_state =3D OP_ALLOC; + + return mci; + +error: + _edac_mc_free(mci); + + return NULL; +} +EXPORT_SYMBOL_GPL(edac_mc_alloc); + void edac_mc_free(struct mem_ctl_info *mci) { edac_dbg(1, "\n"); --=20 2.20.1